RE: Who is using temp tablespace?

2003-11-04 Thread Shibu MB
Rick ,
This query will help you to find who is using the space 
 
SELECT
a.username, a.osuser, a.sid||','||a.serial# SID_SERIAL, c.spid Process,
b.tablespace tablespace, a.status, sum(b.extents)* 1024*1024 space
FROM v$session a,v$sort_usage b, v$process c, dba_tablespaces d
WHEREa.saddr = b.session_addr
AND  a.paddr = c.addr
AND  b.tablespace=d.tablespace_name
--ORDER BY b.tablespace, b.segfile#, b.segblk#, b.blocks
group by a.username, a.osuser, a.sid||','||a.serial#,c.spid,
b.tablespace, a.status

 
Thanks
Shibu

 
 

-Original Message- 
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
Sent: Tue 11/4/2003 6:49 PM 
To: Multiple recipients of list ORACLE-L 
Cc: 
Subject: Who is using temp tablespace?







Hi All,

How can I determine who is using temp tablespace?  I have a 1 gb
tablespace
and it is almost full. I want to know who and what sql is using most
of it.

Thanks
Rick

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RE: Who is using temp tablespace?

2003-11-04 Thread Satav, Pawan

v$sort_usage and v$session should give you that.


Pawan
-Original Message-
Sent: Tuesday, November 04, 2003 6:49 PM
To: Multiple recipients of list ORACLE-L






Hi All,

How can I determine who is using temp tablespace?  I have a 1 gb tablespace
and it is almost full. I want to know who and what sql is using most
of it.

Thanks
Rick

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Who is using temp tablespace?

2003-11-04 Thread Rick_Cale




Hi All,

How can I determine who is using temp tablespace?  I have a 1 gb tablespace
and it is almost full. I want to know who and what sql is using most
of it.

Thanks
Rick

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Re: ** temp tablespace

2003-10-24 Thread Tanel Poder



Hi!
 
How much free space you have in your file system, 
you might be hitting the sparse files issue...
 
Tanel.
 

  - Original Message - 
  From: 
  A Joshi 
  
  To: Multiple recipients of list ORACLE-L 
  
  Sent: Thursday, October 23, 2003 10:49 
  PM
  Subject: ** temp tablespace
  
  
  
Hi,
  I have a huge  temp tablespace (4GB) and not much usage 
(current usage is 50MB  from v$ tables) . However it keeps running 
out of space. It ran out of space yesterday and I was hoping it would 
release but it got an error again. The database is only 35GB mostly small 
tables. IT is temporary (contents). How can i tell how much is *actually* 
free. dba_free_space shows hardly any free even when there is no activity. 
Thanks
  
  
  Do you Yahoo!?The 
  New Yahoo! Shopping - with improved product 
search


RE: ** temp tablespace

2003-10-23 Thread Stephen.Lee

4GB isn't all that huge.
A couple of questions I can think of are:

1.  How many users are simultaneously trying to sort stuff?
2.  How often does some dufus fire up a Cartesian join?

-Original Message-

Hi,
  I have a huge  temp tablespace (4GB) and not much usage (current usage is
50MB  from v$ tables) . However it keeps running out of space. It ran out of
space yesterday and I was hoping it would release but it got an error again.
The database is only 35GB mostly small tables. IT is temporary (contents).
How can i tell how much is *actually* free. dba_free_space shows hardly any
free even when there is no activity. Thanks

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** temp tablespace

2003-10-23 Thread A Joshi


Hi,
  I have a huge  temp tablespace (4GB) and not much usage (current usage is 50MB  from v$ tables) . However it keeps running out of space. It ran out of space yesterday and I was hoping it would release but it got an error again. The database is only 35GB mostly small tables. IT is temporary (contents). How can i tell how much is *actually* free. dba_free_space shows hardly any free even when there is no activity. Thanks
Do you Yahoo!?
The New Yahoo! Shopping - with improved product search

RE: Temp Tablespace

2003-10-09 Thread M Rafiq
Under the senario rely on v$sort_usage view.

Regards
Rafiq


Reply-To: [EMAIL PROTECTED]
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
Date: Thu, 09 Oct 2003 09:24:24 -0800
I think you are right Jack.  With a Temporary Temp tablespace, there is
nothing I can do to lower the HWM.  And I don;t really think it's full -
just the HWM shows it filled up.
Tom Mercadante
Oracle Certified Professional
-Original Message-
Sent: Thursday, October 09, 2003 11:19 AM
To: Multiple recipients of list ORACLE-L
Hi

A.F.A.I.K the space is free for use by new queries. Oracle just does not
release the extents to save resources on extent management.
Just that your monitoring scripts keep yelling 100% used :-)

Jack

-Original Message-
Sent: Thursday, October 09, 2003 4:14 PM
To: Multiple recipients of list ORACLE-L
All,

Is there a way to clear a TEMP tablespace defined as Temporary?  We had a
couple of long-running jobs  that have totally clogged up the TEMP
tablespace (54 Gig worth) and it doesn't seem to be releasing the space.  I
know a db restart will clear it.
Any other ideas?

8.1.7.4 by the way.

thanks

Tom Mercadante
Oracle Certified Professional
-Original Message-
Sent: Thursday, October 09, 2003 9:30 AM
To: Multiple recipients of list ORACLE-L


Maybe we have been lucky. But we use the SAME methodology. We have removed a
considerable amount of "human effort" in regards to layout of datafiles and
disk layout. And based on the stats that I have seen from the Storage
team/SA's, we have *maybe*  seen a 2-5% performance hit in access time. That
info needs to be confirmed-but the disk technology has been improved so
dramatically-that older "rules of thumb" aren't necessary for *specific*
environments.  There is still logical separation of tables/indexes as
mentioned below.. But we typically present a single file system for the
datafiles
Does this work in all cases for us - nope! But it covers a majority of the
environments and we address the *unique* environments accordingly.  But
considering the number of databases and the volume of disk space - more
effective for us.
just a comment:-)
greg


-Original Message-
Sent: Wednesday, October 08, 2003 8:29 PM
To: Multiple recipients of list ORACLE-L
Great responses ! Thanks very much ..
-Original Message-
Dave Hau
Sent: Wednesday, October 08, 2003 3:19 PM
To: Multiple recipients of list ORACLE-L
Hi Gaja,
I agree that throughput can always be improved by adding more drives to
the striped array.  However, this does not improve access time.  If you
have your tables and indexes on the same striped array, necessarily the
two I/O's have to be done sequentially, incurring two times access time
at a minimum.  However, if you separate the two into different arrays,
then you can access them in parallel, starting to get data from each
disk array in 1* access time.  This makes sense esp. in scenarios where
response time is more important than throughput, and also in use cases
where your access pattern is random rather than sequential.
So I feel that there's a tradeoff between access time and throughput.
If you have ten drives, and you stripe all of them into a single array
and put both your data and indexes onto this array, you get maximum
throughput but you're sacrificing access time for throughput.  However,
if you build two arrays each consisting of five drives, and put your
data and indexes onto each array, you get half of the previous
throughput, but you get better access time because now your data and
index access can be truly in parallel.
Regards,
Dave




[EMAIL PROTECTED] wrote:
> Hi Hans/Vikas,
>
> I tend to agree that the old draconian rule that "thou
> shalt always separate indexes from tables" may not
> apply any more. We used to apply that principle in the
> past when the number of available spindles was not
> adequate. Seems like with 256G drives in the market,
> we are being pushed back in time, in some way!!!
>
> The way I look at the problem is purely from an IOPS
> perspective. For example, if each physical disk is
> capable of 256 IOPS (ignore the cache configured here)
> and you have 10 disks in your volume, then the total
> I/O capacity on this volume is 2560 IOPS. Separation
> of objects across multiple volumes may becomes an
> issue, only when the demand for I/O outstrips the
> supply (in this case 2560 IOPS).
>
> Even then, you can always add more drives to the
> existing volume and restripe, i.e., adding 5 more
> drives to 10 drives increases the I/O capacity by 50%.
> At the end of the day, the I/O sub-system does not
> care, whether it is servicing a data segment, index
> segment or undo segment.
>
> But, in certain environments, that I have dealt with,
> there has been a need to separate heavily and
> concurrently accessed objects (does not matter wh

RE: Temp Tablespace

2003-10-09 Thread Mercadante, Thomas F
I think you are right Jack.  With a Temporary Temp tablespace, there is
nothing I can do to lower the HWM.  And I don;t really think it's full -
just the HWM shows it filled up.

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Thursday, October 09, 2003 11:19 AM
To: Multiple recipients of list ORACLE-L


Hi


A.F.A.I.K the space is free for use by new queries. Oracle just does not
release the extents to save resources on extent management.

Just that your monitoring scripts keep yelling 100% used :-)


Jack
 
-Original Message-
Sent: Thursday, October 09, 2003 4:14 PM
To: Multiple recipients of list ORACLE-L


All,

Is there a way to clear a TEMP tablespace defined as Temporary?  We had a
couple of long-running jobs  that have totally clogged up the TEMP
tablespace (54 Gig worth) and it doesn't seem to be releasing the space.  I
know a db restart will clear it.

Any other ideas?

8.1.7.4 by the way.

thanks

Tom Mercadante 
Oracle Certified Professional 
-Original Message-
Sent: Thursday, October 09, 2003 9:30 AM
To: Multiple recipients of list ORACLE-L




Maybe we have been lucky. But we use the SAME methodology. We have removed a
considerable amount of "human effort" in regards to layout of datafiles and
disk layout. And based on the stats that I have seen from the Storage
team/SA's, we have *maybe*  seen a 2-5% performance hit in access time. That
info needs to be confirmed-but the disk technology has been improved so
dramatically-that older "rules of thumb" aren't necessary for *specific*
environments.  There is still logical separation of tables/indexes as
mentioned below.. But we typically present a single file system for the
datafiles
Does this work in all cases for us - nope! But it covers a majority of the
environments and we address the *unique* environments accordingly.  But
considering the number of databases and the volume of disk space - more
effective for us.


just a comment:-) 
greg 



-Original Message- 
Sent: Wednesday, October 08, 2003 8:29 PM 
To: Multiple recipients of list ORACLE-L 


Great responses ! Thanks very much .. 
-Original Message- 
Dave Hau 
Sent: Wednesday, October 08, 2003 3:19 PM 
To: Multiple recipients of list ORACLE-L 
Hi Gaja, 
I agree that throughput can always be improved by adding more drives to 
the striped array.  However, this does not improve access time.  If you 
have your tables and indexes on the same striped array, necessarily the 
two I/O's have to be done sequentially, incurring two times access time 
at a minimum.  However, if you separate the two into different arrays, 
then you can access them in parallel, starting to get data from each 
disk array in 1* access time.  This makes sense esp. in scenarios where 
response time is more important than throughput, and also in use cases 
where your access pattern is random rather than sequential. 
So I feel that there's a tradeoff between access time and throughput. 
If you have ten drives, and you stripe all of them into a single array 
and put both your data and indexes onto this array, you get maximum 
throughput but you're sacrificing access time for throughput.  However, 
if you build two arrays each consisting of five drives, and put your 
data and indexes onto each array, you get half of the previous 
throughput, but you get better access time because now your data and 
index access can be truly in parallel. 
Regards, 
Dave 





[EMAIL PROTECTED] wrote: 
> Hi Hans/Vikas, 
> 
> I tend to agree that the old draconian rule that "thou 
> shalt always separate indexes from tables" may not 
> apply any more. We used to apply that principle in the 
> past when the number of available spindles was not 
> adequate. Seems like with 256G drives in the market, 
> we are being pushed back in time, in some way!!! 
> 
> The way I look at the problem is purely from an IOPS 
> perspective. For example, if each physical disk is 
> capable of 256 IOPS (ignore the cache configured here) 
> and you have 10 disks in your volume, then the total 
> I/O capacity on this volume is 2560 IOPS. Separation 
> of objects across multiple volumes may becomes an 
> issue, only when the demand for I/O outstrips the 
> supply (in this case 2560 IOPS). 
> 
> Even then, you can always add more drives to the 
> existing volume and restripe, i.e., adding 5 more 
> drives to 10 drives increases the I/O capacity by 50%. 
> At the end of the day, the I/O sub-system does not 
> care, whether it is servicing a data segment, index 
> segment or undo segment. 
> 
> But, in certain environments, that I have dealt with, 
> there has been a need to separate heavily and 
> concurrently accessed objects (does not matter whether 
> these objects are all indexes or tables or both). This 
> may be true only for certain o

RE: Temp Tablespace

2003-10-09 Thread Guang Mei
Title: RE: SAME and separating disk and index tablespaces



Hi:
 
I had 
this situation last month and I finally bounced the db. 

"drop tablespace temp INCLUDING 
CONTENTS"   might work if you want to wait long 
enough. I tried this and the db just hang for 30 min before I killed it. My temp 
ts was 10G.
Here is 
a copy of an old email I sent to the list last 
month:

Yes, you are right, I should have looked at ts# = 2. BTW, I tried several 
ways to resolve this issue by doing these and none of them worked,
1. alter tablespace temp default storage(pctincrease 0); -- a tip from Steve 
Adam's site
2. alter session set events 'immediate trace name DROP_SEGMENTS level 3';
3. oradebug wakeup 6; -- 6 is sid for SMON process
4. Create a small table with a primary key constraint then drop the 
constraint. Iwas hoping that shadow process will change the associated index to 
a temporary segment and post smon to clear it up.
5. create a large table that will fail:
CREATE TABLE junk ( c1 varchar2(1) ) tablespace DATA storage ( initial 2000M 
next 2000M) ;
Finally I had to bounce the instance, that cleared up the segment in temp 
tablespace, so that it could be dropped.
Guang
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of
zhu chao
Sent: Tuesday, September 16, 2003 10:25 PM
To: Multiple recipients of list ORACLE-L
Subject: Re: drop tablespace temp INCLUDING CONTENTS hang
 
Hi, guang:
First, I think step 5,6,7 are not necessary. Why bother change back to
that named tablespace? To user, temporary tablespace name is totally
transparent to them and to the application.
You should use drop tablespace temp including contents, but the query
you used maybe is wrong. your temp tablespace is TS#=2, but your query is
:select count(*) from fet$ where ts# = 3; (you are using 3 here).
Regards
zhu chao
msn:[EMAIL PROTECTED]
www.cnoug.org
- Original Message -
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Wednesday, September 17, 2003 4:49 AM
 
> Hi:
>
> Oracle 8173 on Solaris 2.8.
>
> I am trying to convert temp tablespace to LMT. My plan is to
>
> 1.create another temp tablespace temp123
> 2.move all users to temp123
> 3.alter tablespace temp offline
> 4.drop tablespace temp
> 5.re-create temp tablespace as LMT
> 6.move all users to temp
> 7.drop tablespace temp123.
>
> But I am having problem in Step4. I found that there are still some
objects
> in temp ts even if I put it offline:
>
> [EMAIL PROTECTED]> select count(*) from dba_segments where
> tablespace_name='TEMP';
>
> COUNT(*)
> --
> 1
>
> "drop tablespace temp" resulted in "ORA-01549 tablespace not empty, 
use
> INCLUDING CONTENTS option". However when I did
>
> drop tablespace temp INCLUDING CONTENTS;
>
> the sqlplus session just hang and I kept getting the same count(*) 
from
the
> following query (from another session)
>
> [EMAIL PROTECTED]> select count(*) from fet$ where ts# = 3;
>
> COUNT(*)
> --
> 214
>
>
> I eventually killed the orginal sqlplus session.
>
> I did "ALTER TABLESPACE TEMP coalesce" and it did not seem to help.
>
> So my question is: How can I drop an offlined temp tablespace when 
there
is
> still segment(s) in it?
>
> I don't know if SMON would clean up the temp ts automatically (Some 
doc
says
> SMON would not do to TEMP ts). I also read that I could issue
>
> alter session set events 'immediate trace name DROP_SEGMENTS level 
3';
>
> to mimic SMON, becuase
>
> [EMAIL PROTECTED]> select name, ts# from ts$ where NAME='TEMP';
>
> NAME TS#
> -- --
> TEMP 2
>
>
> But I am not ready to try it on our production system. Has anyone 
tries
this
> or has any suggestions? I don't want to bounce db. Would the objects 
in
TEMP
> ts be cleaned up by SMON if I wait for a couple of days?
>
> TIA.
>
> Guang
-- 
Author: zhu chao
INET: [EMAIL PROTECTED]
Fat City Network Services -- 858-538-5051 http://www.fatcity.com
San Diego, California -- Mailing list and web hosting services
-----
 

  -Original Message-From: [EMAIL PROTECTED] 
  [mailto:[EMAIL PROTECTED]On Behalf Of Mercadante, Thomas 
  FSent: Thursday, October 09, 2003 10:14 AMTo: Multiple 
  recipients of list ORACLE-LSubject: Temp 
  Tablespace
  All,
   
  Is 
  there a way to clear a TEMP tablespace defined as Temporary?  We had a 
  couple of long-running jobs  that have totally clogged up the TEMP 
  tablespace (54 Gig worth) and it doesn't seem to be releasing the space.  
  I know a db restart will clear it.
   
  Any 
  other ideas?
   
  8.1.7.4 by the way.
   
  thanks
   
  Tom Mercadante Oracle Certified Professional 


Re: Temp Tablespace

2003-10-09 Thread M Rafiq
Tom,

What type of temporary? Dictionery managed or LMT.

If dictionary managed then 2 solutions.
a)make it offline and online again during offpeak period.
2)Make it permanent tablespace to avoid this situation.
If LMT based (temp_datafiles) then check v$sort_usage instead of header 
table.
If header table says 100% it is normal but if v$sort_usage indicates 100% 
then it is a problem and then you have to either bounce the db and if this 
is not the option then create another samller temp1 tablespace.point your 
user to that tempspace , drop your original temp tbs and recreate it and 
then point your user back to original temp tbs.
HTH

Regards
Rafiq




Reply-To: [EMAIL PROTECTED]
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
Date: Thu, 09 Oct 2003 06:14:27 -0800
All,

Is there a way to clear a TEMP tablespace defined as Temporary?  We had a
couple of long-running jobs  that have totally clogged up the TEMP
tablespace (54 Gig worth) and it doesn't seem to be releasing the space.  I
know a db restart will clear it.
Any other ideas?

8.1.7.4 by the way.

thanks

Tom Mercadante
Oracle Certified Professional
-Original Message-
Sent: Thursday, October 09, 2003 9:30 AM
To: Multiple recipients of list ORACLE-L


Maybe we have been lucky. But we use the SAME methodology. We have removed a
considerable amount of "human effort" in regards to layout of datafiles and
disk layout. And based on the stats that I have seen from the Storage
team/SA's, we have *maybe*  seen a 2-5% performance hit in access time. That
info needs to be confirmed-but the disk technology has been improved so
dramatically-that older "rules of thumb" aren't necessary for *specific*
environments.  There is still logical separation of tables/indexes as
mentioned below.. But we typically present a single file system for the
datafiles
Does this work in all cases for us - nope! But it covers a majority of the
environments and we address the *unique* environments accordingly.  But
considering the number of databases and the volume of disk space - more
effective for us.
just a comment:-)
greg


-Original Message-
<mailto:[EMAIL PROTECTED]> ]
Sent: Wednesday, October 08, 2003 8:29 PM
To: Multiple recipients of list ORACLE-L
Great responses ! Thanks very much ..

-Original Message-
Dave Hau
Sent: Wednesday, October 08, 2003 3:19 PM
To: Multiple recipients of list ORACLE-L
Hi Gaja,

I agree that throughput can always be improved by adding more drives to
the striped array.  However, this does not improve access time.  If you
have your tables and indexes on the same striped array, necessarily the
two I/O's have to be done sequentially, incurring two times access time
at a minimum.  However, if you separate the two into different arrays,
then you can access them in parallel, starting to get data from each
disk array in 1* access time.  This makes sense esp. in scenarios where
response time is more important than throughput, and also in use cases
where your access pattern is random rather than sequential.
So I feel that there's a tradeoff between access time and throughput.
If you have ten drives, and you stripe all of them into a single array
and put both your data and indexes onto this array, you get maximum
throughput but you're sacrificing access time for throughput.  However,
if you build two arrays each consisting of five drives, and put your
data and indexes onto each array, you get half of the previous
throughput, but you get better access time because now your data and
index access can be truly in parallel.
Regards,
Dave




[EMAIL PROTECTED] wrote:
> Hi Hans/Vikas,
>
> I tend to agree that the old draconian rule that "thou
> shalt always separate indexes from tables" may not
> apply any more. We used to apply that principle in the
> past when the number of available spindles was not
> adequate. Seems like with 256G drives in the market,
> we are being pushed back in time, in some way!!!
>
> The way I look at the problem is purely from an IOPS
> perspective. For example, if each physical disk is
> capable of 256 IOPS (ignore the cache configured here)
> and you have 10 disks in your volume, then the total
> I/O capacity on this volume is 2560 IOPS. Separation
> of objects across multiple volumes may becomes an
> issue, only when the demand for I/O outstrips the
> supply (in this case 2560 IOPS).
>
> Even then, you can always add more drives to the
> existing volume and restripe, i.e., adding 5 more
> drives to 10 drives increases the I/O capacity by 50%.
> At the end of the day, the I/O sub-system does not
> care, whether it is servicing a data segment, index
> segment or undo segment.
>
> But, in certain environments, that I have dealt with,
> there has been a need to separate heavily and
> concurrently accessed objects (does not matter whether
>

Re: Temp Tablespace

2003-10-09 Thread Hemant K Chitale


If it is a TABLESPACE TEMPORARY,   query on v$SORT_SEGMENT to
get the current size of the sort segment.
Then issue an ALTER TABLESPACE   DEFAULT
STORAGE (PCTINCREASE 0).
Re-query V$SORT_SEGMENT and the segment would have been released. 
If there were current users in the
segment, you would still see a TEMPORARY segment in DBA_SEGMENTS, though,
and the disk-space would
not be released till those users log out.  
Hemant
At 06:14 AM 09-10-03 -0800, you wrote:
All,
 
Is there a way to clear a TEMP
tablespace defined as Temporary?  We had a couple of long-running
jobs  that have totally clogged up the TEMP tablespace (54 Gig
worth) and it doesn't seem to be releasing the space.  I know a db
restart will clear it.
 
Any other ideas?
 
8.1.7.4 by the 
way.
 
thanks
 
Tom Mercadante 
Oracle Certified Professional 

-Original Message-
From: Loughmiller, Greg
[mailto:[EMAIL PROTECTED]]
Sent: Thursday, October 09, 2003 9:30 AM
To: Multiple recipients of list ORACLE-L
Subject: RE: SAME and separating disk and index
tablespaces

Maybe we have been lucky. But we use the SAME methodology. We have
removed a considerable amount of "human effort" in regards to
layout of datafiles and disk layout. And based on the stats that I have
seen from the Storage team/SA's, we have *maybe*  seen a 2-5%
performance hit in access time. That info needs to be confirmed-but the
disk technology has been improved so dramatically-that older "rules
of thumb" aren't necessary for *specific* environments.  There
is still logical separation of tables/indexes as mentioned below.. But we
typically present a single file system for the
datafiles
Does this work in all cases for us - nope! But it covers a majority
of the environments and we address the *unique* environments
accordingly.  But considering the number of databases and the volume
of disk space - more effective for us.
just a comment:-) 
greg 


-Original Message- 
From: vikas kawatra
[mailto:[EMAIL PROTECTED]]

Sent: Wednesday, October 08, 2003 8:29 PM 
To: Multiple recipients of list ORACLE-L 
Subject: RE: SAME and separating disk and index tablespaces


Great responses ! Thanks very much .. 

-Original Message- 
Dave Hau 
Sent: Wednesday, October 08, 2003 3:19 PM 
To: Multiple recipients of list ORACLE-L 

Hi Gaja, 

I agree that throughput can always be improved by adding more drives to 
the striped array.  However, this does not improve access time.  If you 
have your tables and indexes on the same striped array, necessarily the 
two I/O's have to be done sequentially, incurring two times access time 
at a minimum.  However, if you separate the two into different arrays, 
then you can access them in parallel, starting to get data from each 
disk array in 1* access time.  This makes sense esp. in scenarios where 
response time is more important than throughput, and also in use cases 
where your access pattern is random rather than sequential. 

So I feel that there's a tradeoff between access time and throughput. 
If you have ten drives, and you stripe all of them into a single array 
and put both your data and indexes onto this array, you get maximum 
throughput but you're sacrificing access time for throughput.  However, 
if you build two arrays each consisting of five drives, and put your 
data and indexes onto each array, you get half of the previous 
throughput, but you get better access time because now your data and 
index access can be truly in parallel. 

Regards, 
Dave 




[EMAIL PROTECTED] wrote: 
> Hi Hans/Vikas, 
> 
> I tend to agree that the old draconian rule that "thou 
> shalt always separate indexes from tables" may not 
> apply any more. We used to apply that principle in the 
> past when the number of available spindles was not 
> adequate. Seems like with 256G drives in the market, 
> we are being pushed back in time, in some way!!! 
> 
> The way I look at the problem is purely from an IOPS 
> perspective. For example, if each physical disk is 
> capable of 256 IOPS (ignore the cache configured here) 
> and you have 10 disks in your volume, then the total 
> I/O capacity on this volume is 2560 IOPS. Separation 
> of objects across multiple volumes may becomes an 
> issue, only when the demand for I/O outstrips the 
> supply (in this case 2560 IOPS). 
> 
> Even then, you can always add more drives to the 
> existing volume and restripe, i.e., adding 5 more 
> drives to 10 drives increases the I/O capacity by 50%. 
> At the end of the day, the I/O sub-system does not 
> care, whether it is servicing a data segment, index 
> segment or undo segment. 
> 
> But, in certain environments, that I have dealt with, 
> there has been a need to separate heavily and 
> concurrently accessed objects (does not matter whether 
> these objects are all indexes or tables or both). This 
> may be true only 

RE: Temp Tablespace

2003-10-09 Thread Jack van Zanen
Hi


A.F.A.I.K the space is free for use by new queries. Oracle just does not
release the extents to save resources on extent management.

Just that your monitoring scripts keep yelling 100% used :-)


Jack
 
-Original Message-
Sent: Thursday, October 09, 2003 4:14 PM
To: Multiple recipients of list ORACLE-L


All,

Is there a way to clear a TEMP tablespace defined as Temporary?  We had a
couple of long-running jobs  that have totally clogged up the TEMP
tablespace (54 Gig worth) and it doesn't seem to be releasing the space.  I
know a db restart will clear it.

Any other ideas?

8.1.7.4 by the way.

thanks

Tom Mercadante 
Oracle Certified Professional 
-Original Message-
Sent: Thursday, October 09, 2003 9:30 AM
To: Multiple recipients of list ORACLE-L




Maybe we have been lucky. But we use the SAME methodology. We have removed a
considerable amount of "human effort" in regards to layout of datafiles and
disk layout. And based on the stats that I have seen from the Storage
team/SA's, we have *maybe*  seen a 2-5% performance hit in access time. That
info needs to be confirmed-but the disk technology has been improved so
dramatically-that older "rules of thumb" aren't necessary for *specific*
environments.  There is still logical separation of tables/indexes as
mentioned below.. But we typically present a single file system for the
datafiles
Does this work in all cases for us - nope! But it covers a majority of the
environments and we address the *unique* environments accordingly.  But
considering the number of databases and the volume of disk space - more
effective for us.


just a comment:-) 
greg 



-Original Message- 
Sent: Wednesday, October 08, 2003 8:29 PM 
To: Multiple recipients of list ORACLE-L 


Great responses ! Thanks very much .. 
-Original Message- 
Dave Hau 
Sent: Wednesday, October 08, 2003 3:19 PM 
To: Multiple recipients of list ORACLE-L 
Hi Gaja, 
I agree that throughput can always be improved by adding more drives to 
the striped array.  However, this does not improve access time.  If you 
have your tables and indexes on the same striped array, necessarily the 
two I/O's have to be done sequentially, incurring two times access time 
at a minimum.  However, if you separate the two into different arrays, 
then you can access them in parallel, starting to get data from each 
disk array in 1* access time.  This makes sense esp. in scenarios where 
response time is more important than throughput, and also in use cases 
where your access pattern is random rather than sequential. 
So I feel that there's a tradeoff between access time and throughput. 
If you have ten drives, and you stripe all of them into a single array 
and put both your data and indexes onto this array, you get maximum 
throughput but you're sacrificing access time for throughput.  However, 
if you build two arrays each consisting of five drives, and put your 
data and indexes onto each array, you get half of the previous 
throughput, but you get better access time because now your data and 
index access can be truly in parallel. 
Regards, 
Dave 





[EMAIL PROTECTED] wrote: 
> Hi Hans/Vikas, 
> 
> I tend to agree that the old draconian rule that "thou 
> shalt always separate indexes from tables" may not 
> apply any more. We used to apply that principle in the 
> past when the number of available spindles was not 
> adequate. Seems like with 256G drives in the market, 
> we are being pushed back in time, in some way!!! 
> 
> The way I look at the problem is purely from an IOPS 
> perspective. For example, if each physical disk is 
> capable of 256 IOPS (ignore the cache configured here) 
> and you have 10 disks in your volume, then the total 
> I/O capacity on this volume is 2560 IOPS. Separation 
> of objects across multiple volumes may becomes an 
> issue, only when the demand for I/O outstrips the 
> supply (in this case 2560 IOPS). 
> 
> Even then, you can always add more drives to the 
> existing volume and restripe, i.e., adding 5 more 
> drives to 10 drives increases the I/O capacity by 50%. 
> At the end of the day, the I/O sub-system does not 
> care, whether it is servicing a data segment, index 
> segment or undo segment. 
> 
> But, in certain environments, that I have dealt with, 
> there has been a need to separate heavily and 
> concurrently accessed objects (does not matter whether 
> these objects are all indexes or tables or both). This 
> may be true only for certain objects and certain 
> queries. So, please don't apply this in a blanket 
> fashion. 
> 
> Empirical data is always the best justification 
> mechnism for a configuration exercise such as this. 
> Plus, you may have partitioning and other requirements 
> such as parallelism that impact the placement and 
> availability 

Temp Tablespace

2003-10-09 Thread Mercadante, Thomas F
Title: RE: SAME and separating disk and index tablespaces



All,
 
Is 
there a way to clear a TEMP tablespace defined as Temporary?  We had a 
couple of long-running jobs  that have totally clogged up the TEMP 
tablespace (54 Gig worth) and it doesn't seem to be releasing the space.  I 
know a db restart will clear it.
 
Any 
other ideas?
 
8.1.7.4 by the way.
 
thanks
 
Tom Mercadante Oracle Certified Professional 

  -Original Message-From: Loughmiller, Greg 
  [mailto:[EMAIL PROTECTED]Sent: Thursday, October 09, 
  2003 9:30 AMTo: Multiple recipients of list 
  ORACLE-LSubject: RE: SAME and separating disk and index 
  tablespaces
  Maybe we have been lucky. But we use the SAME methodology. We 
  have removed a considerable amount of "human effort" in regards to layout of 
  datafiles and disk layout. And based on the stats that I have seen from the 
  Storage team/SA's, we have *maybe*  seen a 2-5% performance hit in access 
  time. That info needs to be confirmed-but the disk technology has been 
  improved so dramatically-that older "rules of thumb" aren't necessary for 
  *specific* environments.  There is still logical separation of 
  tables/indexes as mentioned below.. But we typically present a single file 
  system for the datafiles
  Does this work in all cases for us - nope! But it covers a 
  majority of the environments and we address the *unique* environments 
  accordingly.  But considering the number of databases and the volume of 
  disk space - more effective for us.
  just a comment:-) greg 
  
  -Original Message- From: vikas 
  kawatra [mailto:[EMAIL PROTECTED]] 
  Sent: Wednesday, October 08, 2003 8:29 PM To: Multiple recipients of list ORACLE-L Subject: RE: SAME and separating disk and index tablespaces 
  
  Great responses ! Thanks very much .. 
  -Original Message- Dave 
  Hau Sent: Wednesday, October 08, 2003 3:19 PM 
  To: Multiple recipients of list ORACLE-L 
  Hi Gaja, 
  I agree that throughput can always be improved by adding more 
  drives to the striped array.  However, this does 
  not improve access time.  If you have your tables 
  and indexes on the same striped array, necessarily the two I/O's have to be done sequentially, incurring two times access time 
  at a minimum.  However, if you separate the two 
  into different arrays, then you can access them in 
  parallel, starting to get data from each disk array in 
  1* access time.  This makes sense esp. in scenarios where 
  response time is more important than throughput, and 
  also in use cases where your access pattern is random 
  rather than sequential. 
  So I feel that there's a tradeoff between access time and 
  throughput. If you have ten drives, and you stripe all 
  of them into a single array and put both your data and 
  indexes onto this array, you get maximum throughput 
  but you're sacrificing access time for throughput.  However, 
  if you build two arrays each consisting of five 
  drives, and put your data and indexes onto each array, 
  you get half of the previous throughput, but you get 
  better access time because now your data and index 
  access can be truly in parallel. 
  Regards, Dave 
  
  [EMAIL PROTECTED] wrote: > Hi 
  Hans/Vikas, > > I tend 
  to agree that the old draconian rule that "thou > 
  shalt always separate indexes from tables" may not > apply any more. We used to apply that principle in the 
  > past when the number of available spindles was 
  not > adequate. Seems like with 256G drives in the 
  market, > we are being pushed back in time, in some 
  way!!! > > The way I 
  look at the problem is purely from an IOPS > 
  perspective. For example, if each physical disk is > capable of 256 IOPS (ignore the cache configured here) 
  > and you have 10 disks in your volume, then the 
  total > I/O capacity on this volume is 2560 IOPS. 
  Separation > of objects across multiple volumes may 
  becomes an > issue, only when the demand for I/O 
  outstrips the > supply (in this case 2560 
  IOPS). > > Even then, 
  you can always add more drives to the > existing 
  volume and restripe, i.e., adding 5 more > drives 
  to 10 drives increases the I/O capacity by 50%. > 
  At the end of the day, the I/O sub-system does not > care, whether it is servicing a data segment, index 
  > segment or undo segment. > 
  > But, in certain environments, that I have dealt 
  with, > there has been a need to separate heavily 
  and > concurrently accessed objects (does not 
  matter whether > these objects are all indexes or 
  tables or both). This > may be true only for 
  certain objects and certain > queries. So, please 
  don't apply this in a blanket > fashion. 
  > > Empirical data is 
  always the best justification > mechnism for a 
  configuration exercise such as this. > Plu

Re: TEMP Tablespace problem

2003-10-01 Thread Tanel Poder
I don't think that you can reduce temp datafile much below bytes_used value
in v$temp_space_header. I could reduce the file few kilobytes, but not much
compared to it's size. In order to reduce bytes_used, you need to bounce
instance (if there isn't any nifty tricks for releasing temp segment
otherwise).

Tanel.

- Original Message - 
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Wednesday, October 01, 2003 6:34 PM


> Yes you can.
> On Wed, 2003-10-01 at 11:29, Teresita Castro wrote:
> > I have Oracle 9.2i
> > I already run the query and the tablespace TEMP have
> > CONTENTS=TEMPORARY AND EXTENT_MAN=LOCAL
> > Can I run this line to fix the size of my tablespace?
> >
> > SQL> alter database tempfile '/data/oradata/system/temp01.dbf' resize
> > 128M;
> >
> > I mean is the same or I have to change something?
> >
> > >>> [EMAIL PROTECTED] 09/30/03 10:04PM >>>
> > Teresita, spelling the word "administrator" with the capital letter
> > is a good  thing. Furthermore, if you have version 9i, you can do the
> > following, little known, thing:
> >
> > SQL> alter database tempfile '/data/oradata/system/temp01.dbf' resize
> > 128M;
> >
> > Database altered.
> >
> >
> > If it's Oracle 8i, you can actually have a permanent, dictionary
> > based
> > tablespace acting as a temporary tablespace. In version 9, however,
> > you
> > can't. Here is the query to find out what do you have:
> >   1  select tablespace_name,contents,extent_management
> >   2  from dba_tablespaces
> >   3* order by contents
> > SQL> /
> >
> > TABLESPACE_NAMECONTENTS  EXTENT_MAN
> > -- - --
> > SYSTEM PERMANENT LOCAL
> > DRSYS  PERMANENT LOCAL
> > EXAMPLEPERMANENT LOCAL
> > INDX   PERMANENT LOCAL
> > USERS  PERMANENT LOCAL
> > XDBPERMANENT LOCAL
> > TOOLS  PERMANENT LOCAL
> > TEMP   TEMPORARY LOCAL
> > UNDOTBS1   UNDO  LOCAL
> >
> > 9 rows selected.
> >
> > SQL>
> >
> > If the column contents reads "TEMPORARY" for the given tablespace, you
> > can
> > drop it and recreate it without any harm. Note that in 8i you don't
> > have
> > "UNDO" tablespaces and your system tablespace cannot be LMT.
> >
> >
> > On 2003.09.30 22:24, Teresita Castro wrote:
> > > Hi!!
> > > I am trying to change the size of my tablespace TEMP, I am not an
> > > Administrator but we really need to make this tablespace smaller.
> > > Already the size is 13214 Mgs, and this tablaspace is on a disk that
> > is
> > > full,
> > > so if we can not make it smaller we are going to be in a serius
> > trouble
> > > ( our
> > > Administrator is not here until Monday).
> > >
> >
> > -- 
> > Mladen Gogala
> > Oracle DBA
> > -- 
> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > -- 
> > Author: Mladen Gogala
> >   INET: [EMAIL PROTECTED]
> >
> > Fat City Network Services-- 858-538-5051 http://www.fatcity.com
> > San Diego, California-- Mailing list and web hosting services
> > -
> > To REMOVE yourself from this mailing list, send an E-Mail message
> > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
> > the message BODY, include a line containing: UNSUB ORACLE-L
> > (or the name of mailing list you want to be removed from).  You may
> > also send the HELP command for other information (like subscribing).
> >
>
>
>
>
> Note:
> This message is for the named person's use only.  It may contain
confidential, proprietary or legally privileged information.  No
confidentiality or privilege is waived or lost by any mistransmission.  If
you receive this message in error, please immediately delete it and all
copies of it from your system, destroy any hard copies of it and notify the
sender.  You must not, directly or indirectly, use, disclose, distribute,
print, or copy any part of this message if you are not the intended
recipient. Wang Trading LLC and any of its subsidiaries each reserve the
right to monitor all e-mail communications through its networks.
> Any views expressed in this message are those of the individual sender,
except where the message states otherwise and the sender is authorized to
state them to be the views of any such entity.
>
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> -- 
> Author: Mladen Gogala
>   INET: [EMAIL PROTECTED]
>
> Fat City Network Services-- 858-538-5051 http://www.fatcity.com
> San Diego, California-- Mailing list and web hosting services
> -
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or th

Re: TEMP Tablespace problem

2003-10-01 Thread Mladen Gogala
Yes you can.
On Wed, 2003-10-01 at 11:29, Teresita Castro wrote:
> I have Oracle 9.2i 
> I already run the query and the tablespace TEMP have
> CONTENTS=TEMPORARY AND EXTENT_MAN=LOCAL
> Can I run this line to fix the size of my tablespace?
>  
> SQL> alter database tempfile '/data/oradata/system/temp01.dbf' resize
> 128M;
>  
> I mean is the same or I have to change something?
> 
> >>> [EMAIL PROTECTED] 09/30/03 10:04PM >>>
> Teresita, spelling the word "administrator" with the capital letter
> is a good  thing. Furthermore, if you have version 9i, you can do the
> following, little known, thing:
> 
> SQL> alter database tempfile '/data/oradata/system/temp01.dbf' resize
> 128M;
> 
> Database altered.
> 
> 
> If it's Oracle 8i, you can actually have a permanent, dictionary
> based  
> tablespace acting as a temporary tablespace. In version 9, however,
> you
> can't. Here is the query to find out what do you have:
>   1  select tablespace_name,contents,extent_management
>   2  from dba_tablespaces
>   3* order by contents
> SQL> /
> 
> TABLESPACE_NAMECONTENTS  EXTENT_MAN
> -- - --
> SYSTEM PERMANENT LOCAL
> DRSYS  PERMANENT LOCAL
> EXAMPLEPERMANENT LOCAL
> INDX   PERMANENT LOCAL
> USERS  PERMANENT LOCAL
> XDBPERMANENT LOCAL
> TOOLS  PERMANENT LOCAL
> TEMP   TEMPORARY LOCAL
> UNDOTBS1   UNDO  LOCAL
> 
> 9 rows selected.
> 
> SQL>
> 
> If the column contents reads "TEMPORARY" for the given tablespace, you
> can
> drop it and recreate it without any harm. Note that in 8i you don't
> have  
> "UNDO" tablespaces and your system tablespace cannot be LMT.
> 
> 
> On 2003.09.30 22:24, Teresita Castro wrote:
> > Hi!!
> > I am trying to change the size of my tablespace TEMP, I am not an
> > Administrator but we really need to make this tablespace smaller.
> > Already the size is 13214 Mgs, and this tablaspace is on a disk that
> is  
> > full,
> > so if we can not make it smaller we are going to be in a serius
> trouble  
> > ( our
> > Administrator is not here until Monday).
> >
> 
> -- 
> Mladen Gogala
> Oracle DBA
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> -- 
> Author: Mladen Gogala
>   INET: [EMAIL PROTECTED]
> 
> Fat City Network Services-- 858-538-5051 http://www.fatcity.com
> San Diego, California-- Mailing list and web hosting services
> -
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from).  You may
> also send the HELP command for other information (like subscribing).
> 




Note:
This message is for the named person's use only.  It may contain confidential, 
proprietary or legally privileged information.  No confidentiality or privilege is 
waived or lost by any mistransmission.  If you receive this message in error, please 
immediately delete it and all copies of it from your system, destroy any hard copies 
of it and notify the sender.  You must not, directly or indirectly, use, disclose, 
distribute, print, or copy any part of this message if you are not the intended 
recipient. Wang Trading LLC and any of its subsidiaries each reserve the right to 
monitor all e-mail communications through its networks.
Any views expressed in this message are those of the individual sender, except where 
the message states otherwise and the sender is authorized to state them to be the 
views of any such entity.

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Mladen Gogala
  INET: [EMAIL PROTECTED]

Fat City Network Services-- 858-538-5051 http://www.fatcity.com
San Diego, California-- Mailing list and web hosting services
-
To REMOVE yourself from this mailing list, send an E-Mail message
to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).


Re: TEMP Tablespace problem

2003-10-01 Thread Teresita Castro



I have Oracle 9.2i 
I already run the query and the tablespace TEMP have 
CONTENTS=TEMPORARY AND EXTENT_MAN=LOCAL
Can I run this line to fix the size of my 
tablespace?
 
SQL> alter database tempfile 
'/data/oradata/system/temp01.dbf' resize 128M;
 
I mean is the same or I have to change 
something?
>>> [EMAIL PROTECTED] 09/30/03 10:04PM 
>>>Teresita, spelling the word "administrator" with the capital 
letteris a good  thing. Furthermore, if you have version 9i, you can do 
thefollowing, little known, thing:SQL> alter database tempfile 
'/data/oradata/system/temp01.dbf' resize 128M;Database 
altered.If it's Oracle 8i, you can actually have a permanent, 
dictionary based  tablespace acting as a temporary tablespace. In 
version 9, however, youcan't. Here is the query to find out what do you 
have:  1  select 
tablespace_name,contents,extent_management  2  from 
dba_tablespaces  3* order by contentsSQL> 
/TABLESPACE_NAME    
CONTENTS  EXTENT_MAN-- - 
--SYSTEM 
PERMANENT 
LOCALDRSYS  
PERMANENT 
LOCALEXAMPLE    
PERMANENT 
LOCALINDX   
PERMANENT 
LOCALUSERS  
PERMANENT 
LOCALXDB    
PERMANENT 
LOCALTOOLS  
PERMANENT 
LOCALTEMP   
TEMPORARY 
LOCALUNDOTBS1   
UNDO  LOCAL9 rows 
selected.SQL>If the column contents reads "TEMPORARY" for the 
given tablespace, you candrop it and recreate it without any harm. Note that 
in 8i you don't have  "UNDO" tablespaces and your system tablespace 
cannot be LMT.On 2003.09.30 22:24, Teresita Castro wrote:> 
Hi!!> I am trying to change the size of my tablespace TEMP, I am not 
an> Administrator but we really need to make this tablespace 
smaller.> Already the size is 13214 Mgs, and this tablaspace is on a disk 
that is  > full,> so if we can not make it smaller we are 
going to be in a serius trouble  > ( our> Administrator is 
not here until Monday).>-- Mladen GogalaOracle DBA-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net-- Author: Mladen 
Gogala  INET: [EMAIL PROTECTED]Fat City Network 
Services    -- 858-538-5051 http://www.fatcity.comSan Diego, 
California    -- Mailing list and web 
hosting 
services-To 
REMOVE yourself from this mailing list, send an E-Mail messageto: 
[EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and inthe message 
BODY, include a line containing: UNSUB ORACLE-L(or the name of mailing list 
you want to be removed from).  You mayalso send the HELP command for 
other information (like subscribing).


Re: TEMP Tablespace problem

2003-10-01 Thread Tanel Poder



Where did you look for this file? Use v$tempfile or 
dba_temp_files.
 
Anyway, your case is a good reason why not to 
enable autoextend in temp and rbs tablespaces without extra care.
 
If you got DBA access to your database, you 
could:
1) create temporary tablespace 
new_temp
2) alter database default temporary tablespace 
new_temp
3) drop tablespace temp including contents and 
datafiles (might take time)
4) create temporary tablespace temp 
...
5) alter database default temporary tablespace 
temp
6) drop tablespace new_temp including contents and 
datafiles
 
If you don't have DBA access nor OS access, then 
you have to wait until your administrator comes back or hack yourself into 
serverroom to get physical access to your server.
 
Tanel.
 

  - Original Message - 
  From: 
  Teresita Castro 
  To: Multiple recipients of list ORACLE-L 
  
  Sent: Wednesday, October 01, 2003 5:39 
  PM
  Subject: Re: TEMP Tablespace 
problem
  
  This table do not have any file, how I understood this is 
  the table space that the queries uses.
  They tell me that if I run a query that need mode that the 
  actual space it will be made that the TEMP tablespace grow.
  >>> [EMAIL PROTECTED] 09/30/03 
  10:09PM >>>If the TEMP tablespace is a temporary tablespace, i.e. 
  made of temp files rather than datafiles, then you can't offline it. It 
  would have to be dropped and rebuilt.At 07:34 PM 9/30/2003 -0800, 
  you wrote:>Maybe you can create another temp tablespace (called 
  temp_new) on another>disk, assign all users to temp_new, then offline 
  the old temp tablespace,>drop the old temp tablespace, and finally 
  remove the old temp datafiles>from OS.Wolfgang 
  BreitlingOracle7, 8, 8i, 9i OCP DBACentrex Consulting 
  Corporationhttp://www.centrexcc.com 
  -- Please see the official ORACLE-L FAQ: http://www.orafaq.net-- Author: 
  Wolfgang Breitling  INET: [EMAIL PROTECTED]Fat City 
  Network Services    -- 858-538-5051 http://www.fatcity.comSan Diego, 
  California    -- Mailing list and web 
  hosting 
  services-To 
  REMOVE yourself from this mailing list, send an E-Mail messageto: 
  [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and inthe message 
  BODY, include a line containing: UNSUB ORACLE-L(or the name of mailing 
  list you want to be removed from).  You mayalso send the HELP command 
  for other information (like subscribing).


Re: TEMP Tablespace problem

2003-10-01 Thread Yechiel Adar



If you can stop the users then simply drop the 
tablespace and remove the datafile, then crate new smaller temp.
If you can not stop the users do:
1) Create new small temp;
2) Alter all users to use the new 
temp.
3) Drop temp , after you are sure that none of the 
users is using it.
 
Yechiel AdarMehish

  - Original Message - 
  From: 
  Teresita Castro 
  To: Multiple recipients of list ORACLE-L 
  
  Sent: Wednesday, October 01, 2003 4:19 
  PM
  Subject: Re: TEMP Tablespace 
problem
  9.2i>>> [EMAIL PROTECTED] 09/30/03 
  08:54PM >>>What is the Oracle version?At 06:24 PM 
  9/30/2003 -0800, you wrote:>Hi!!>I am trying to change the size 
  of my tablespace TEMP, I am not an >Administrator but we really need to 
  make this tablespace smaller.>Already the size is 13214 Mgs, and this 
  tablaspace is on a disk that is >full, so if we can not make it smaller 
  we are going to be in a serius >trouble ( our Administrator is not here 
  until Monday).Wolfgang BreitlingCentrex Consulting 
  Corporationhttp://www.centrexcc.com-- 
  Please see the official ORACLE-L FAQ: http://www.orafaq.net-- Author: 
  Wolfgang Breitling  INET: [EMAIL PROTECTED]Fat City 
  Network Services    -- 858-538-5051 http://www.fatcity.comSan Diego, 
  California    -- Mailing list and web 
  hosting 
  services-To 
  REMOVE yourself from this mailing list, send an E-Mail messageto: 
  [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and inthe message 
  BODY, include a line containing: UNSUB ORACLE-L(or the name of mailing 
  list you want to be removed from).  You mayalso send the HELP command 
  for other information (like subscribing).


Re: TEMP Tablespace problem

2003-10-01 Thread Teresita Castro



This table do not have any file, how I understood this is the 
table space that the queries uses.
They tell me that if I run a query that need mode that the 
actual space it will be made that the TEMP tablespace grow.
>>> [EMAIL PROTECTED] 09/30/03 10:09PM 
>>>If the TEMP tablespace is a temporary tablespace, i.e. made of 
temp files rather than datafiles, then you can't offline it. It would have 
to be dropped and rebuilt.At 07:34 PM 9/30/2003 -0800, you 
wrote:>Maybe you can create another temp tablespace (called temp_new) on 
another>disk, assign all users to temp_new, then offline the old temp 
tablespace,>drop the old temp tablespace, and finally remove the old temp 
datafiles>from OS.Wolfgang BreitlingOracle7, 8, 8i, 9i OCP 
DBACentrex Consulting Corporationhttp://www.centrexcc.com -- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net-- Author: 
Wolfgang Breitling  INET: [EMAIL PROTECTED]Fat City 
Network Services    -- 858-538-5051 http://www.fatcity.comSan Diego, 
California    -- Mailing list and web 
hosting 
services-To 
REMOVE yourself from this mailing list, send an E-Mail messageto: 
[EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and inthe message 
BODY, include a line containing: UNSUB ORACLE-L(or the name of mailing list 
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other information (like subscribing).


Re: TEMP Tablespace problem

2003-10-01 Thread Teresita Castro


9.2i>>> [EMAIL PROTECTED] 09/30/03 08:54PM 
>>>What is the Oracle version?At 06:24 PM 9/30/2003 -0800, 
you wrote:>Hi!!>I am trying to change the size of my tablespace 
TEMP, I am not an >Administrator but we really need to make this 
tablespace smaller.>Already the size is 13214 Mgs, and this tablaspace is 
on a disk that is >full, so if we can not make it smaller we are going to 
be in a serius >trouble ( our Administrator is not here until 
Monday).Wolfgang BreitlingCentrex Consulting Corporationhttp://www.centrexcc.com-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net-- Author: 
Wolfgang Breitling  INET: [EMAIL PROTECTED]Fat City 
Network Services    -- 858-538-5051 http://www.fatcity.comSan Diego, 
California    -- Mailing list and web 
hosting 
services-To 
REMOVE yourself from this mailing list, send an E-Mail messageto: 
[EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and inthe message 
BODY, include a line containing: UNSUB ORACLE-L(or the name of mailing list 
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other information (like subscribing).


Re: TEMP Tablespace problem

2003-10-01 Thread Tanel Poder
In 9i you could issue an "drop tablespace temp including contents and
datafiles".
(First make sure that this tablespace is not a default temporary
tablespace).

Tanel.



- Original Message - 
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Wednesday, October 01, 2003 5:54 AM


> What is the Oracle version?
>
> At 06:24 PM 9/30/2003 -0800, you wrote:
> >Hi!!
> >I am trying to change the size of my tablespace TEMP, I am not an
> >Administrator but we really need to make this tablespace smaller.
> >Already the size is 13214 Mgs, and this tablaspace is on a disk that is
> >full, so if we can not make it smaller we are going to be in a serius
> >trouble ( our Administrator is not here until Monday).
>
> Wolfgang Breitling
> Centrex Consulting Corporation
> http://www.centrexcc.com
>
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> -- 
> Author: Wolfgang Breitling
>   INET: [EMAIL PROTECTED]
>
> Fat City Network Services-- 858-538-5051 http://www.fatcity.com
> San Diego, California-- Mailing list and web hosting services
> -
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from).  You may
> also send the HELP command for other information (like subscribing).
>


-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Tanel Poder
  INET: [EMAIL PROTECTED]

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Re: TEMP Tablespace problem

2003-09-30 Thread Wolfgang Breitling
If the TEMP tablespace is a temporary tablespace, i.e. made of temp files 
rather than datafiles, then you can't offline it. It would have to be 
dropped and rebuilt.

At 07:34 PM 9/30/2003 -0800, you wrote:
Maybe you can create another temp tablespace (called temp_new) on another
disk, assign all users to temp_new, then offline the old temp tablespace,
drop the old temp tablespace, and finally remove the old temp datafiles
from OS.
Wolfgang Breitling
Oracle7, 8, 8i, 9i OCP DBA
Centrex Consulting Corporation
http://www.centrexcc.com 

--
Please see the official ORACLE-L FAQ: http://www.orafaq.net
--
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 INET: [EMAIL PROTECTED]
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also send the HELP command for other information (like subscribing).


Re: TEMP Tablespace problem

2003-09-30 Thread Mladen Gogala
Teresita, spelling the word "administrator" with the capital letter
is a good  thing. Furthermore, if you have version 9i, you can do the
following, little known, thing:
SQL> alter database tempfile '/data/oradata/system/temp01.dbf' resize 128M;

Database altered.

If it's Oracle 8i, you can actually have a permanent, dictionary based  
tablespace acting as a temporary tablespace. In version 9, however, you
can't. Here is the query to find out what do you have:
 1  select tablespace_name,contents,extent_management
 2  from dba_tablespaces
 3* order by contents
SQL> /

TABLESPACE_NAMECONTENTS  EXTENT_MAN
-- - --
SYSTEM PERMANENT LOCAL
DRSYS  PERMANENT LOCAL
EXAMPLEPERMANENT LOCAL
INDX   PERMANENT LOCAL
USERS  PERMANENT LOCAL
XDBPERMANENT LOCAL
TOOLS  PERMANENT LOCAL
TEMP   TEMPORARY LOCAL
UNDOTBS1   UNDO  LOCAL
9 rows selected.

SQL>

If the column contents reads "TEMPORARY" for the given tablespace, you can
drop it and recreate it without any harm. Note that in 8i you don't have  
"UNDO" tablespaces and your system tablespace cannot be LMT.

On 2003.09.30 22:24, Teresita Castro wrote:
Hi!!
I am trying to change the size of my tablespace TEMP, I am not an
Administrator but we really need to make this tablespace smaller.
Already the size is 13214 Mgs, and this tablaspace is on a disk that is  
full,
so if we can not make it smaller we are going to be in a serius trouble  
( our
Administrator is not here until Monday).

--
Mladen Gogala
Oracle DBA
--
Please see the official ORACLE-L FAQ: http://www.orafaq.net
--
Author: Mladen Gogala
 INET: [EMAIL PROTECTED]
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San Diego, California-- Mailing list and web hosting services
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also send the HELP command for other information (like subscribing).


Re: TEMP Tablespace problem

2003-09-30 Thread Guang Mei
Maybe you can create another temp tablespace (called temp_new) on another
disk, assign all users to temp_new, then offline the old temp tablespace,
drop the old temp tablespace, and finally remove the old temp datafiles
from OS.

HTH.

Guang

On Tue, 30 Sep 2003, Teresita Castro wrote:

> Hi!!
> I am trying to change the size of my tablespace TEMP, I am not an Administrator but 
> we really need to make this tablespace smaller.
> Already the size is 13214 Mgs, and this tablaspace is on a disk that is full, so if 
> we can not make it smaller we are going to be in a serius trouble ( our 
> Administrator is not here until Monday).
>

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Guang Mei
  INET: [EMAIL PROTECTED]

Fat City Network Services-- 858-538-5051 http://www.fatcity.com
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also send the HELP command for other information (like subscribing).


Re: TEMP Tablespace problem

2003-09-30 Thread Wolfgang Breitling
What is the Oracle version?

At 06:24 PM 9/30/2003 -0800, you wrote:
Hi!!
I am trying to change the size of my tablespace TEMP, I am not an 
Administrator but we really need to make this tablespace smaller.
Already the size is 13214 Mgs, and this tablaspace is on a disk that is 
full, so if we can not make it smaller we are going to be in a serius 
trouble ( our Administrator is not here until Monday).
Wolfgang Breitling
Centrex Consulting Corporation
http://www.centrexcc.com
--
Please see the official ORACLE-L FAQ: http://www.orafaq.net
--
Author: Wolfgang Breitling
 INET: [EMAIL PROTECTED]
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San Diego, California-- Mailing list and web hosting services
-
To REMOVE yourself from this mailing list, send an E-Mail message
to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).


TEMP Tablespace problem

2003-09-30 Thread Teresita Castro



Hi!!
I am trying to change the size of my tablespace TEMP, I am not 
an Administrator but we really need to make this tablespace 
smaller.
Already the size is 13214 Mgs, and this tablaspace is on a 
disk that is full, so if we can not make it smaller we are going to be in a 
serius trouble ( our Administrator is not here until 
Monday).


Re: Nosort parallel dml uses TEMP tablespace

2003-09-17 Thread Tanel Poder
Title: RE: Nosort parallel dml uses TEMP tablespace



You're welcome, please let me know the 
results.
It was news to me as well, that so much temp space 
would be used in your type of parallel direct load insert...
 
Btw, you can use nologging hint as well in your DML 
if you haven't already altered the target table to nologging.
 
Tanel.

  - Original Message - 
  From: 
  Turner, 
  Adrian A SITI-ITPSIE 
  To: Multiple recipients of list ORACLE-L 
  
  Sent: Wednesday, September 17, 2003 4:14 
  PM
  Subject: RE: Nosort parallel dml uses 
  TEMP tablespace
  
  Thanks for having a look Tanel; that makes great 
  sense.
   
  I'll 
  have a quick play to convince myself but I'd say its a lesson 
  learned.
   
  BTW 
  did you too experience more temp allocation than you would have 
  expected?
   
  Thanks again,
  Adrian
   
  
-Original Message-From: Tanel Poder 
[mailto:[EMAIL PROTECTED]Sent: 17 September 2003 
14:00To: Multiple recipients of list ORACLE-LSubject: 
Re: Nosort parallel dml uses TEMP tablespace
Hi!
 
Btw, I did a little testing with PARALLEL 2, 
and yes it seems to be a parallel slave communications issue, despite the 
segments show type "SORT". 
When i traced sorting with 10032 & 10033, I 
saw sort segment allocation, but no real sorting occurring. When I compared 
first rows in source table with target one, I saw that when in source 
table I had rows (1,2,3,4,5,6,7), then in beginning of target table, I had 
(1,3,5,7,etc..). That means I had only one session reading data (query 
coordinator), which then evenly distributed data to it's slaves. 

 
You should include PARALLEL hint to your 
select statement as well, with same number of slaves (in addition to insert 
+append one), that way PX can work parallel_to_parallel way, thus for each 
producing (query) slave there is a consuming slave and data doesn't have to 
be distributed or splitted from one source to several queues (like with 
parallel_from_serial). That way no data is intermediately stored to 
temporary segments.
This worked for me, but since PX is a complex 
mechanism, you might see different results.
 
Tanel.
 

  - Original Message - 
  From: 
  Tanel Poder 
  To: Multiple recipients of list 
  ORACLE-L 
  Sent: Wednesday, September 17, 2003 
  2:44 PM
  Subject: Re: Nosort parallel dml uses 
  TEMP tablespace
  
  Hi!
   
  It could be that parallel slaves are passing 
  intermediate results using TEMP tablespace for some reason. (When table 
  queues are full in some cases or smth like that). It can depend on 
  parallel execution plan as well (whether it's parallel_to_parallel or 
  parallel_to_serial data distribution).
   
  If you used only /*+ APPEND */ without 
  parallel, then operations were done serially by one session only, thus no 
  intermediate result passing between slaves (using table queues) were 
  needed. 
   
  You might want to post your question to 
  comp.databases.oracle.server newsgroup, I've seen Jonathan Lewis answering 
  more advanced performance related questions there.
   
  Tanel.
   
  
- Original Message - 
From: 
Turner, Adrian A SITI-ITPSIE 

To: Multiple recipients of list 
ORACLE-L 
Sent: Wednesday, September 17, 2003 
11:39 AM
    Subject: RE: Nosort parallel dml 
uses TEMP tablespace

I'm even more confused now. 

TEMP ran out of space at 20GB - 
I'm only inserting 12.2GB! 
So I kicked it off again with 
the hint just as /*+ APPEND */ and it completed successfully in 1/6th 
the time to failure of the parallel insert.

   -Original 
  Message- From:   Turner, Adrian 
  A SITI-ITPSIE  Sent:   16 September 2003 15:16 To: Multiple recipients of list ORACLE-L Subject:    
  Nosort parallel dml uses TEMP 
  tablespace 
  Apologies if this has been 
  covered before but metalink is not clear on the reasons behind 
  it 
  The database is running 
  version 9204 EE on WinNT Sp6; and the statement is a parallel direct 
  load into partitioned table selecting from a 12.2GB source 
  table.
  
ALTER SESSION 
ENABLE PARALLEL DML ; 
INSERT /*+ 
APPEND PARALLEL(TRANSACTION_NEW,4) */ INTO 
TRANSACTION_NEW (select * from 
TRANSACTIONS); 
      I'm seeing segments 
  created in the temp tablespace (from v$sort_usage) 
  
Sess# User Name 
TABLESPACE  
 

RE: Nosort parallel dml uses TEMP tablespace

2003-09-17 Thread Turner, Adrian A SITI-ITPSIE
Title: RE: Nosort parallel dml uses TEMP tablespace



Thanks 
for having a look Tanel; that makes great sense.
 
I'll 
have a quick play to convince myself but I'd say its a lesson 
learned.
 
BTW 
did you too experience more temp allocation than you would have 
expected?
 
Thanks 
again,
Adrian
 

  -Original Message-From: Tanel Poder 
  [mailto:[EMAIL PROTECTED]Sent: 17 September 2003 
  14:00To: Multiple recipients of list ORACLE-LSubject: 
  Re: Nosort parallel dml uses TEMP tablespace
  Hi!
   
  Btw, I did a little testing with PARALLEL 2, and 
  yes it seems to be a parallel slave communications issue, despite the segments 
  show type "SORT". 
  When i traced sorting with 10032 & 10033, I 
  saw sort segment allocation, but no real sorting occurring. When I compared 
  first rows in source table with target one, I saw that when in source 
  table I had rows (1,2,3,4,5,6,7), then in beginning of target table, I had 
  (1,3,5,7,etc..). That means I had only one session reading data (query 
  coordinator), which then evenly distributed data to it's slaves. 
   
  You should include PARALLEL hint to your 
  select statement as well, with same number of slaves (in addition to insert 
  +append one), that way PX can work parallel_to_parallel way, thus for each 
  producing (query) slave there is a consuming slave and data doesn't have to be 
  distributed or splitted from one source to several queues (like with 
  parallel_from_serial). That way no data is intermediately stored to temporary 
  segments.
  This worked for me, but since PX is a complex 
  mechanism, you might see different results.
   
  Tanel.
   
  
- Original Message - 
From: 
Tanel 
Poder 
To: Multiple recipients of list ORACLE-L 

Sent: Wednesday, September 17, 2003 
2:44 PM
Subject: Re: Nosort parallel dml uses 
TEMP tablespace

Hi!
 
It could be that parallel slaves are passing 
    intermediate results using TEMP tablespace for some reason. (When table 
queues are full in some cases or smth like that). It can depend on parallel 
execution plan as well (whether it's parallel_to_parallel or 
parallel_to_serial data distribution).
 
If you used only /*+ APPEND */ without 
parallel, then operations were done serially by one session only, thus no 
intermediate result passing between slaves (using table queues) were needed. 

 
You might want to post your question to 
comp.databases.oracle.server newsgroup, I've seen Jonathan Lewis answering 
more advanced performance related questions there.
 
Tanel.
 

  - Original Message - 
  From: 
  Turner, Adrian A SITI-ITPSIE 
  
  To: Multiple recipients of list 
  ORACLE-L 
  Sent: Wednesday, September 17, 2003 
  11:39 AM
  Subject: RE: Nosort parallel dml uses 
  TEMP tablespace
  
  I'm even more confused now. 
  
  TEMP ran out of space at 20GB - 
  I'm only inserting 12.2GB! 
  So I kicked it off again with the 
  hint just as /*+ APPEND */ and it completed successfully in 1/6th the time 
  to failure of the parallel insert.
  
 -Original 
Message- From:   Turner, Adrian A 
SITI-ITPSIE  Sent:   16 
September 2003 15:16 To: Multiple recipients of list ORACLE-L 
Subject:    
    Nosort parallel dml uses TEMP 
tablespace 
Apologies if this has been 
covered before but metalink is not clear on the reasons behind 
it 
The database is running 
version 9204 EE on WinNT Sp6; and the statement is a parallel direct 
load into partitioned table selecting from a 12.2GB source 
table.

  ALTER SESSION 
  ENABLE PARALLEL DML ; 
  INSERT /*+ APPEND 
  PARALLEL(TRANSACTION_NEW,4) */ INTO TRANSACTION_NEW 
  (select * from 
  TRANSACTIONS); 
    I'm seeing segments created 
in the temp tablespace (from v$sort_usage) 

  Sess# User Name 
  TABLESPACE  
  CONTENTS   
  ext BLOCKS  
  SZ_MB - - --- - 
   -- --     9 
  SYS   
  TEMP2   
  TEMPORARY 1629 
  208512   1629 
     11 
  SYS   
  TEMP2   
  TEMPORARY 1629 
  208512   1629 
     12 
  SYS   
  TEMP2   
  TEMPORARY 1629 
  208512   1629 
     13 
  SYS   
  TEMP2   
  TEMPORARY 1629 
  208512   1629 
I've 

Re: Nosort parallel dml uses TEMP tablespace

2003-09-17 Thread Tanel Poder
Title: RE: Nosort parallel dml uses TEMP tablespace



Hi!
 
Btw, I did a little testing with PARALLEL 2, and 
yes it seems to be a parallel slave communications issue, despite the segments 
show type "SORT". 
When i traced sorting with 10032 & 10033, I saw 
sort segment allocation, but no real sorting occurring. When I compared first 
rows in source table with target one, I saw that when in source table I had 
rows (1,2,3,4,5,6,7), then in beginning of target table, I had (1,3,5,7,etc..). 
That means I had only one session reading data (query coordinator), which then 
evenly distributed data to it's slaves. 
 
You should include PARALLEL hint to your 
select statement as well, with same number of slaves (in addition to insert 
+append one), that way PX can work parallel_to_parallel way, thus for each 
producing (query) slave there is a consuming slave and data doesn't have to be 
distributed or splitted from one source to several queues (like with 
parallel_from_serial). That way no data is intermediately stored to temporary 
segments.
This worked for me, but since PX is a complex 
mechanism, you might see different results.
 
Tanel.
 

  - Original Message - 
  From: 
  Tanel 
  Poder 
  To: Multiple recipients of list ORACLE-L 
  
  Sent: Wednesday, September 17, 2003 2:44 
  PM
  Subject: Re: Nosort parallel dml uses 
  TEMP tablespace
  
  Hi!
   
  It could be that parallel slaves are passing 
  intermediate results using TEMP tablespace for some reason. (When table queues 
  are full in some cases or smth like that). It can depend on parallel execution 
  plan as well (whether it's parallel_to_parallel or parallel_to_serial data 
  distribution).
   
  If you used only /*+ APPEND */ without parallel, 
  then operations were done serially by one session only, thus no intermediate 
  result passing between slaves (using table queues) were needed. 
   
  You might want to post your question to 
  comp.databases.oracle.server newsgroup, I've seen Jonathan Lewis answering 
  more advanced performance related questions there.
   
  Tanel.
   
  
- Original Message - 
From: 
Turner, Adrian A SITI-ITPSIE 

To: Multiple recipients of list ORACLE-L 

Sent: Wednesday, September 17, 2003 
11:39 AM
Subject: RE: Nosort parallel dml uses 
TEMP tablespace

I'm even more confused now. 

TEMP ran out of space at 20GB - I'm 
only inserting 12.2GB! 
So I kicked it off again with the 
hint just as /*+ APPEND */ and it completed successfully in 1/6th the time 
to failure of the parallel insert.

   -Original Message- From:   Turner, Adrian A SITI-ITPSIE  
  Sent:   16 September 
  2003 15:16 To: Multiple recipients of list ORACLE-L Subject:    Nosort parallel dml uses TEMP tablespace 
  
  Apologies if this has been 
  covered before but metalink is not clear on the reasons behind 
  it 
  The database is running 
  version 9204 EE on WinNT Sp6; and the statement is a parallel direct load 
  into partitioned table selecting from a 12.2GB source 
  table.
  
ALTER SESSION ENABLE 
PARALLEL DML ; 
INSERT /*+ APPEND 
PARALLEL(TRANSACTION_NEW,4) */ INTO TRANSACTION_NEW 
(select * from 
TRANSACTIONS); 
  I'm seeing segments created in 
  the temp tablespace (from v$sort_usage) 
  
Sess# User Name 
TABLESPACE  
CONTENTS   ext 
BLOCKS  SZ_MB - - 
--- -  -- 
--     9 SYS   
TEMP2   
TEMPORARY 1629 
208512   1629    11 
SYS   
TEMP2   
TEMPORARY 1629 
208512   1629    12 
SYS   
TEMP2   
TEMPORARY 1629 
208512   1629    13 
SYS   
TEMP2   
TEMPORARY 1629 
208512   1629 
  I've enough space and it'll 
  finish by tomorrow morning which is the deadline but does anyone know why 
  TEMP is required and what the end to end process is?
  I would have expected to have 
  seen temporary segments created, but in the partitions own tablespace. It 
  doesnt seem optimal to me.
  Thanks in advance for your 
  help, 
  Regards, 
  Adrian 
  


Re: Nosort parallel dml uses TEMP tablespace

2003-09-17 Thread Tanel Poder
Title: RE: Nosort parallel dml uses TEMP tablespace



Hi!
 
It could be that parallel slaves are passing 
intermediate results using TEMP tablespace for some reason. (When table queues 
are full in some cases or smth like that). It can depend on parallel execution 
plan as well (whether it's parallel_to_parallel or parallel_to_serial data 
distribution).
 
If you used only /*+ APPEND */ without parallel, 
then operations were done serially by one session only, thus no intermediate 
result passing between slaves (using table queues) were needed. 
 
You might want to post your question to 
comp.databases.oracle.server newsgroup, I've seen Jonathan Lewis answering more 
advanced performance related questions there.
 
Tanel.
 

  - Original Message - 
  From: 
  Turner, 
  Adrian A SITI-ITPSIE 
  To: Multiple recipients of list ORACLE-L 
  
  Sent: Wednesday, September 17, 2003 11:39 
  AM
  Subject: RE: Nosort parallel dml uses 
  TEMP tablespace
  
  I'm even more confused now. 
  
  TEMP ran out of space at 20GB - I'm 
  only inserting 12.2GB! 
  So I kicked it off again with the 
  hint just as /*+ APPEND */ and it completed successfully in 1/6th the time to 
  failure of the parallel insert.
  
 -Original Message- From:   Turner, Adrian A SITI-ITPSIE  
Sent:   16 September 
2003 15:16 To: Multiple recipients of list ORACLE-L Subject:    Nosort parallel dml uses TEMP tablespace 

Apologies if this has been 
covered before but metalink is not clear on the reasons behind 
it 
The database is running version 
9204 EE on WinNT Sp6; and the statement is a parallel direct load into 
partitioned table selecting from a 12.2GB source table.

  ALTER SESSION ENABLE 
  PARALLEL DML ; 
  INSERT /*+ APPEND 
  PARALLEL(TRANSACTION_NEW,4) */ INTO TRANSACTION_NEW 
  (select * from 
  TRANSACTIONS); 
I'm seeing segments created in 
the temp tablespace (from v$sort_usage) 

  Sess# User Name 
  TABLESPACE  
  CONTENTS   ext 
  BLOCKS  SZ_MB - - 
  --- -  -- 
  --     9 SYS   
  TEMP2   
  TEMPORARY 1629 
  208512   1629    11 
  SYS   
  TEMP2   
  TEMPORARY 1629 
  208512   1629    12 
  SYS   
  TEMP2   
  TEMPORARY 1629 
  208512   1629    13 
  SYS   
  TEMP2   
  TEMPORARY 1629 
  208512   1629 
I've enough space and it'll 
finish by tomorrow morning which is the deadline but does anyone know why 
TEMP is required and what the end to end process is?
I would have expected to have 
seen temporary segments created, but in the partitions own tablespace. It 
doesnt seem optimal to me.
Thanks in advance for your 
help, 
Regards, Adrian 



RE: Nosort parallel dml uses TEMP tablespace

2003-09-17 Thread Turner, Adrian A SITI-ITPSIE
Thanks for the input Praveen, if only it were that easy.

The sql is a straight "insert into tab1 select * from tab2" but with a parallel dml 
hint. Remove the parallel and it doesnt use TEMP. Theres no distinct, group by, order 
by or indexes on the target table (there are 12 or so on the source table).

As I said I've been reading metalink notes like mad.. 

Note:50592.1 says

Parallel Insert  SYNTAX: ALTER session enable parallel dml; INSERT /*+ APPEND 
PARALLEL(d2 4) */ into d2 SELECT ...HOW IT WORKS: Each slave creates a 
TEMPORARY segment in target tablespace with  INITIAL=NEXT from the tables storage 
clause. Each slave then populates its own segment in a similar manner to parallel  
SQLLOAD except that the rows are taken from the SELECT row source.  On 
completion of the INSERT segments are MERGED one TEMPORARY segment with  all 
trailing extents being trimmed - Note: we DO trim the temporary segment that we 
are merging into. "

So apparently "Each slave creates a TEMPORARY segment in target tablespace" but I am 
getting them appearing in the TEMP tablespace, not the tablespaces containing the 
partitions.

And the volume of TEMP required does not compute either.

BTW there are 27 partitions in the target table, which does not match the number 
parallel slaves

Cheers,
Adrian


-Original Message-
Sent: 17 September 2003 09:26
To: Turner, Adrian A SITI-ITPSIE
Cc: [EMAIL PROTECTED]; Multiple recipients of list
ORACLE-L; [EMAIL PROTECTED]



Adrian,



Please see the 2nd point. This will always use Temporary tablespace even if
you have some other tablespace for the table getting inserted.

Operations Requiring Sorting
 Index creation
 Parallel insert operation involving index maintenance
 ORDER BY or GROUP BY clauses
 DISTINCT values selection
 UNION, INTERSECT, or MINUS operators
 Sort-merge joins
 ANALYZE command execution

Please ignore this if you know it already.

The Sort Process
The Oracle server sorts in memory if the work can be done within an area
smaller than
the value (in bytes) of the parameter SORT_AREA_SIZE.
If the sort needs more space than this value:
1 The data is split into smaller pieces, called sort runs; and each piece
is sorted
individually.
2 The server process writes pieces to temporary segments on disk; these
segments
hold intermediate sort runs data while the server works on another sort
run.
3 The sorted pieces are merged to produce the final result. If
SORT_AREA_SIZE is
not large enough to merge all the runs at once, subsets of the runs are
merged in a
number of merge passes.




Regards,
Praveen
__
Praveen Shetty
Oracle DBA
Technology Solutions, IS.
National Grid Transco,
Hinckley.
Phone: 715-32703 (Int) ,+44-1455-892703 (Ext)
mail 2:[EMAIL PROTECTED]
__


   

  Vohra Vishal 

   

  17/09/03 09:04   To:   Pathania 
Birinder/PB251/Solihull/[EMAIL PROTECTED], Praveen   
Shetty/PKS02/Solihull/[EMAIL 
PROTECTED]
   cc: 

   Subject:  RE: Nosort parallel dml uses 
TEMP tablespace  
   




Gud One ! ! ! !!


Regards,
Vishal Vohra
EBMS
715-32569
Mob:07952883716
- Forwarded by Vohra Vishal/VV011/Solihull/Transco on 17/09/03 09:09
-
   

  "Turner, Adrian A

  SITI-ITPSIE" 

  <[EMAIL PROTECTED]To:   Multiple recipients of list 
ORACLE-L <[EMAIL PROTECTED]>   
  ell.com> cc: 

  Sent by:     Subject:  RE: Nosort parallel dml uses 
TEMP tablespace   

RE: Nosort parallel dml uses TEMP tablespace

2003-09-17 Thread Turner, Adrian A SITI-ITPSIE
Title: RE: Nosort parallel dml uses TEMP tablespace






I'm even more confused now. 


TEMP ran out of space at 20GB - I'm only inserting 12.2GB!


So I kicked it off again with the hint just as /*+ APPEND */ and it completed successfully in 1/6th the time to failure of the parallel insert.

 -Original Message-

From:   Turner, Adrian A SITI-ITPSIE  

Sent:   16 September 2003 15:16

To: Multiple recipients of list ORACLE-L

Subject:    Nosort parallel dml uses TEMP tablespace


Apologies if this has been covered before but metalink is not clear on the reasons behind it


The database is running version 9204 EE on WinNT Sp6; and the statement is a parallel direct load into partitioned table selecting from a 12.2GB source table.

ALTER SESSION ENABLE PARALLEL DML ;


INSERT /*+ APPEND PARALLEL(TRANSACTION_NEW,4) */ INTO TRANSACTION_NEW

(select * from TRANSACTIONS);


I'm seeing segments created in the temp tablespace (from v$sort_usage)


Sess# User Name TABLESPACE  CONTENTS   ext BLOCKS  SZ_MB

- - --- -  -- --

    9 SYS   TEMP2   TEMPORARY 1629 208512   1629

   11 SYS   TEMP2   TEMPORARY 1629 208512   1629

   12 SYS   TEMP2   TEMPORARY 1629 208512   1629

   13 SYS   TEMP2   TEMPORARY 1629 208512   1629


I've enough space and it'll finish by tomorrow morning which is the deadline but does anyone know why TEMP is required and what the end to end process is?

I would have expected to have seen temporary segments created, but in the partitions own tablespace. It doesnt seem optimal to me.

Thanks in advance for your help,


Regards,

Adrian





Nosort parallel dml uses TEMP tablespace

2003-09-16 Thread Turner, Adrian A SITI-ITPSIE
Title: Nosort parallel dml uses TEMP tablespace






Apologies if this has been covered before but metalink is not clear on the reasons behind it


The database is running version 9204 EE on WinNT Sp6; and the statement is a parallel direct load into partitioned table selecting from a 12.2GB source table.

ALTER SESSION ENABLE PARALLEL DML ;


INSERT /*+ APPEND PARALLEL(TRANSACTION_NEW,4) */ INTO TRANSACTION_NEW

(select * from TRANSACTIONS);


I'm seeing segments created in the temp tablespace (from v$sort_usage)


Sess# User Name TABLESPACE  CONTENTS   ext BLOCKS  SZ_MB

- - --- -  -- --

    9 SYS   TEMP2   TEMPORARY 1629 208512   1629

   11 SYS   TEMP2   TEMPORARY 1629 208512   1629

   12 SYS   TEMP2   TEMPORARY 1629 208512   1629

   13 SYS   TEMP2   TEMPORARY 1629 208512   1629


I've enough space and it'll finish by tomorrow morning which is the deadline but does anyone know why TEMP is required and what the end to end process is?

I would have expected to have seen temporary segments created, but in the partitions own tablespace. It doesnt seem optimal to me.

Thanks in advance for your help,


Regards,

Adrian





Re: Locally-managed temp tablespace question

2002-12-20 Thread Connor McDonald
They are "sparse" ie the space is not allocated until
required.  On some OS's you can workaround it by
copying the file elsewhere and then copying it back.

hth
connor

 --- Guang Mei <[EMAIL PROTECTED]> wrote: > Oracle
8173 on Solaris 2.8:
> 
> bash-2.03$ pwd
> /oracle/u02/oradata/YPD
> 
> bash-2.03$ df -k|grep /oracle/u02
> /dev/dsk/c1t2d0s070592505 45549803 22924927   
> 67%/oracle/u02
> 
> bash-2.03$ ls -l templmt*
> -rw-r-   1 oracle   oinstall 2097160192 Dec 19
> 20:40 templmt01.dbf
> -rw-r-   1 oracle   oinstall 2097160192 Dec 19
> 20:27 templmt02.dbf
> -rw-r-   1 oracle   oinstall 2097160192 Dec 19
> 20:27 templmt03.dbf
> -rw-r-   1 oracle   oinstall 2097160192 Dec 19
> 20:27 templmt04.dbf
> -rw-r-   1 oracle   oinstall 2097160192 Dec 19
> 20:27 templmt05.dbf
> 
> bash-2.03$ rm templmt*
> 
> bash-2.03$ df -k|grep /oracle/u02
> /dev/dsk/c1t2d0s070592505 44244651 24230079   
> 65%/oracle/u02
> 
> I thought I should get 10GB (2097160192 x 5) back,
> but instead I got only 
> 1.3MB  ( 24230079 - 22924927)  released. Could
> someone explain? BTW, when I 
> created the temp files (templmt0[1-5]) for
> locally-managed temp tablespace, 
> I found they were created extremely fast, so I
> suspected that not real disk 
> space were allocated. But the "ls -l" command still
> showed 10GB were 
> allocated.
> 
> TIA.
> 
> Guang Mei
> 
> [EMAIL PROTECTED]
> http://www.geocities.com/guangmei/
> 
> 
> 
> 
> 
> 
> 
>
_
> STOP MORE SPAM with the new MSN 8 and get 3 months
> FREE*. 
>
http://join.msn.com/?page=features/junkmail&xAPID=42&PS=47575&PI=7324&DI=7474&SU=
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> -- 
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> http://www.orafaq.net
> -- 
> Author: Guang Mei
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> from).  You may
> also send the HELP command for other information
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>  

=
Connor McDonald
http://www.oracledba.co.uk
http://www.oaktable.net

"GIVE a man a fish and he will eat for a day. But TEACH him how to fish, and...he will 
sit in a boat and drink beer all day"

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RE: Locally-managed temp tablespace question

2002-12-20 Thread Spears, Brian
Yes, this weird sizing with Tempfile...strange isn't it...  ls shows
accurately..

 On HPUX  the bdf  (or df in your case) doesn't register the 
 full size that is indicated what is supposed to be used by the tempfile.
 We haven't found a solution for this yet.. we cant wait till a directory
 fills and someone puts a datafile in the directory so the tempfile is
 reduced. Apparently I have been told by others that only space will 
 shrink and you wont corrupt the files... but I dont like it.
 I just updated my scripts to show the tempfiles separately so 
 I have a warning before I do any space change in the middle of the night.

 Note: I think although rm'ing the files..it seems to take unix a while to
catch
   up and report its gone... I have had that several times.

   It creates fast..which is nice...since you have to do it manually if
you
   do a restore with RMAN. A nice gotcha.
   

Brian Spears

-Original Message-
Sent: Friday, December 20, 2002 12:05 PM
To: Multiple recipients of list ORACLE-L


Oracle 8173 on Solaris 2.8:

bash-2.03$ pwd
/oracle/u02/oradata/YPD

bash-2.03$ df -k|grep /oracle/u02
/dev/dsk/c1t2d0s070592505 45549803 2292492767%/oracle/u02

bash-2.03$ ls -l templmt*
-rw-r-   1 oracle   oinstall 2097160192 Dec 19 20:40 templmt01.dbf
-rw-r-   1 oracle   oinstall 2097160192 Dec 19 20:27 templmt02.dbf
-rw-r-   1 oracle   oinstall 2097160192 Dec 19 20:27 templmt03.dbf
-rw-r-   1 oracle   oinstall 2097160192 Dec 19 20:27 templmt04.dbf
-rw-r-   1 oracle   oinstall 2097160192 Dec 19 20:27 templmt05.dbf

bash-2.03$ rm templmt*

bash-2.03$ df -k|grep /oracle/u02
/dev/dsk/c1t2d0s070592505 44244651 2423007965%/oracle/u02

I thought I should get 10GB (2097160192 x 5) back, but instead I got only 
1.3MB  ( 24230079 - 22924927)  released. Could someone explain? BTW, when I 
created the temp files (templmt0[1-5]) for locally-managed temp tablespace, 
I found they were created extremely fast, so I suspected that not real disk 
space were allocated. But the "ls -l" command still showed 10GB were 
allocated.

TIA.

Guang Mei

[EMAIL PROTECTED]
http://www.geocities.com/guangmei/







_
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Locally-managed temp tablespace question

2002-12-20 Thread Guang Mei
Oracle 8173 on Solaris 2.8:

bash-2.03$ pwd
/oracle/u02/oradata/YPD

bash-2.03$ df -k|grep /oracle/u02
/dev/dsk/c1t2d0s070592505 45549803 2292492767%/oracle/u02

bash-2.03$ ls -l templmt*
-rw-r-   1 oracle   oinstall 2097160192 Dec 19 20:40 templmt01.dbf
-rw-r-   1 oracle   oinstall 2097160192 Dec 19 20:27 templmt02.dbf
-rw-r-   1 oracle   oinstall 2097160192 Dec 19 20:27 templmt03.dbf
-rw-r-   1 oracle   oinstall 2097160192 Dec 19 20:27 templmt04.dbf
-rw-r-   1 oracle   oinstall 2097160192 Dec 19 20:27 templmt05.dbf

bash-2.03$ rm templmt*

bash-2.03$ df -k|grep /oracle/u02
/dev/dsk/c1t2d0s070592505 44244651 2423007965%/oracle/u02

I thought I should get 10GB (2097160192 x 5) back, but instead I got only 
1.3MB  ( 24230079 - 22924927)  released. Could someone explain? BTW, when I 
created the temp files (templmt0[1-5]) for locally-managed temp tablespace, 
I found they were created extremely fast, so I suspected that not real disk 
space were allocated. But the "ls -l" command still showed 10GB were 
allocated.

TIA.

Guang Mei

[EMAIL PROTECTED]
http://www.geocities.com/guangmei/







_
STOP MORE SPAM with the new MSN 8 and get 3 months FREE*. 
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Re: Convert TEMP tablespace from datafiles to tempfiles

2002-11-07 Thread Jared Still

Ron, you're confusing me.

>  Perhaps the reason that I was confused is that I did not phrase the
> question correctly. If you create a tablespace to be used as the
> temporary tablespace for users and create it as type temporary (
> segments used by implicit sorts to handle order by clause) you can not
> use the LMT clauses. 

That comes as a surprise, as I have several databases setup that way.

> If you create a temporary tablespace that is only
> in existence for the duration of the session you can use the LMT
> clauses. Does this mean that you have to recreate the temporary
> tablespace after a reboot?

What kind of tablespace are you referring to?  I don't understand whay
you mean by 'duration of the session' in context of a tablespace.

Jared

>
>  Another point about LMT's. I like them and use them in the majority of
> my tablespaces. When you choose the uniform size it can be what ever you
> choose to work comfortably with the data size of the table. If I
> remember correctly( working through the gray hair again) a temporary
> extent  should be equall to or a multiple of the sort area size so it
> does not create unnecessary thrashing when trying to fit a sort into the
> temp.
> Am I correct in what I remember?
>  THanks.
> Ron
>
> >>> [EMAIL PROTECTED] 11/07/02 12:53PM >>>
>
> Jesse,
> I did the same thing last week on our sandbox system using the method
> others
> have prescribed.  There is a note 140913.1 covering a LMT bug in
> 8.1.6.
> under OpenVMS.  You might want to double check to make sure no
> equivalent
> problem exists on your platform.
>
> Ron,
> As Jared pointed out, it's the Temporary tablespace (not a tablespace
> with
> temporary contents) that permits local extent management. In 8.1.7 I'm
> sure
> you've already tried:
>
> create tablespace temp_contents
> datafile '/oracle/.../temp.data1' size 128M
> temporary
> extent management local uniform size 4M;
>
> or something similar and gotten a ORA-25144.  Also be forwarned, 8.1.7
> will
> let you assign a Permanent LMT as temporary_tablespace for a user, but
> won't
> let you create temporary segments there.
>
> Mike
>
>
>
> -Original Message-
> Sent: Wednesday, November 06, 2002 10:56 AM
> To: Multiple recipients of list ORACLE-L
>
>
> Hey all,
>
> I've got some downtime coming up on an 8.1.6 DB on Solaris, and I'd
> like to
> take the opportunity to convert the datafiles of the TEMP tablespace
> to
> tempfiles.  My reason for this change is primarily to get the TEMP
> tablespace LMT, but also to shrink our hotbacks w/o modifying the
> working
> script.
>
> I've been trying to reason out this task in my head, as I can't find
> much on
> MetaLink, and here's what I've got so far:
>
> 1)  Shutdown DB.
> 2)  Backup DB.
> 3)  Startup restricted.
> 4)  Offline tablespace TEMP.
> 5)  Drop tablespace TEMP.
> 6)  Create new temporary TEMP LMT.
> 7)  Bounce instance.
>
> I don't yet have an arena to try this in.  Will users whose assigned
> TEMPORARY TABLESPACE is TEMP need to be ALTERed?  Anyone have any
> comments
> on the procedure?
>
> TIA!
>
> Rich
>
>
> Rich Jesse   System/Database Administrator
> [EMAIL PROTECTED]  Quad/Tech International, Sussex,
> WI USA
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Re: TEMP/RBS LMTs (was: Convert TEMP tablespace...)

2002-11-07 Thread Jared Still

In that case, I wouldn't worry about it.  :)

On Thursday 07 November 2002 14:19, Jesse, Rich wrote:
> Does the SORT_AREA_SIZE not being a multiple of TEMP extent size have that
> much impact if disk sorts are only 0.03% (3/100ths of 1 percent) of total
> sorts?  My numbers are according to V$SYSSTAT.
>
> What resource is affected?  Disk?  Memory?  CPU?  Beer?
>
> Rich
>
>
> Rich Jesse   System/Database Administrator
> [EMAIL PROTECTED]  Quad/Tech International, Sussex, WI
> USA
>
> > -Original Message-
> > From: Jared Still [mailto:jkstill@;cybcon.com]
> > Sent: Thursday, November 07, 2002 1:19 PM
> > To: Multiple recipients of list ORACLE-L
> > Subject: Re: TEMP/RBS LMTs (was: Convert TEMP tablespace...)
> >
> >
> >
> > 10M?  Hardly.  That was just a test script to make sure
> > the syntax was correct.  10m just happens to be created
> > very quickly.
> >
> > The sort_area_size equal or be a multiple of your TEMP
> > extent size.
> >
> > Jared
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RE: TEMP/RBS LMTs (was: Convert TEMP tablespace...)

2002-11-07 Thread Jesse, Rich
Does the SORT_AREA_SIZE not being a multiple of TEMP extent size have that
much impact if disk sorts are only 0.03% (3/100ths of 1 percent) of total
sorts?  My numbers are according to V$SYSSTAT.

What resource is affected?  Disk?  Memory?  CPU?  Beer?

Rich


Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI USA


> -Original Message-
> From: Jared Still [mailto:jkstill@;cybcon.com]
> Sent: Thursday, November 07, 2002 1:19 PM
> To: Multiple recipients of list ORACLE-L
> Subject: Re: TEMP/RBS LMTs (was: Convert TEMP tablespace...)
> 
> 
> 
> 10M?  Hardly.  That was just a test script to make sure
> the syntax was correct.  10m just happens to be created
> very quickly.
> 
> The sort_area_size equal or be a multiple of your TEMP
> extent size.  
> 
> Jared
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RE: Convert TEMP tablespace from datafiles to tempfiles

2002-11-07 Thread Ron Rogers
Mike,
 Perhaps the reason that I was confused is that I did not phrase the
question correctly. If you create a tablespace to be used as the
temporary tablespace for users and create it as type temporary (
segments used by implicit sorts to handle order by clause) you can not
use the LMT clauses. If you create a temporary tablespace that is only
in existence for the duration of the session you can use the LMT
clauses. Does this mean that you have to recreate the temporary
tablespace after a reboot? 

 Another point about LMT's. I like them and use them in the majority of
my tablespaces. When you choose the uniform size it can be what ever you
choose to work comfortably with the data size of the table. If I
remember correctly( working through the gray hair again) a temporary
extent  should be equall to or a multiple of the sort area size so it
does not create unnecessary thrashing when trying to fit a sort into the
temp.
Am I correct in what I remember?
 THanks.
Ron

>>> [EMAIL PROTECTED] 11/07/02 12:53PM >>>
Jesse,
I did the same thing last week on our sandbox system using the method
others
have prescribed.  There is a note 140913.1 covering a LMT bug in
8.1.6.
under OpenVMS.  You might want to double check to make sure no
equivalent
problem exists on your platform.

Ron,
As Jared pointed out, it's the Temporary tablespace (not a tablespace
with
temporary contents) that permits local extent management. In 8.1.7 I'm
sure
you've already tried:

create tablespace temp_contents
datafile '/oracle/.../temp.data1' size 128M
temporary
extent management local uniform size 4M;

or something similar and gotten a ORA-25144.  Also be forwarned, 8.1.7
will
let you assign a Permanent LMT as temporary_tablespace for a user, but
won't
let you create temporary segments there.

Mike



-Original Message-
Sent: Wednesday, November 06, 2002 10:56 AM
To: Multiple recipients of list ORACLE-L


Hey all,

I've got some downtime coming up on an 8.1.6 DB on Solaris, and I'd
like to
take the opportunity to convert the datafiles of the TEMP tablespace
to
tempfiles.  My reason for this change is primarily to get the TEMP
tablespace LMT, but also to shrink our hotbacks w/o modifying the
working
script.

I've been trying to reason out this task in my head, as I can't find
much on
MetaLink, and here's what I've got so far:

1)  Shutdown DB.
2)  Backup DB.
3)  Startup restricted.
4)  Offline tablespace TEMP.
5)  Drop tablespace TEMP.
6)  Create new temporary TEMP LMT.
7)  Bounce instance.

I don't yet have an arena to try this in.  Will users whose assigned
TEMPORARY TABLESPACE is TEMP need to be ALTERed?  Anyone have any
comments
on the procedure?

TIA!

Rich


Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex,
WI USA
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Re: TEMP/RBS LMTs (was: Convert TEMP tablespace...)

2002-11-07 Thread Jared Still

10M?  Hardly.  That was just a test script to make sure
the syntax was correct.  10m just happens to be created
very quickly.

The sort_area_size equal or be a multiple of your TEMP
extent size.  

Jared

On Thursday 07 November 2002 09:18, Jesse, Rich wrote:
> 10M temp TS?  You must have quite a nicely controlled working environment,
> Jared!  ;)
>
> But your example does bring up a question:  For TEMP and RBS LMTs, does the
> Goldilocks Rule (128K/4M/128M uniform extents, post version 7.x) follow?  I
> had created my TEMP and RBS with 1MB uniform before knowing about
> Goldilocks and the infamous "How to Stop Defragmenting and Start Living"
> white paper. And that paper is a little vague about TEMP and RBS LMTs,
> other than to say that there should be between 1024 and 4096 extents in
> each.
>
> Thoughts?
>
> Rich Jesse   System/Database Administrator
> [EMAIL PROTECTED]  Quad/Tech International, Sussex, WI
> USA
>
> > -Original Message-
> > From: [EMAIL PROTECTED] [mailto:Jared.Still@;radisys.com]
> > Sent: Wednesday, November 06, 2002 3:35 PM
> > To: Multiple recipients of list ORACLE-L
> > Subject: Re: Convert TEMP tablespace from datafiles to tempfiles
> >
> >
> > create temporary tablespace temp2
> >tempfile '/u01/oradata/dv01/temp2.dbf' size 10m
> >extent management local uniform size 128k;
> >
> > HTH
> >
> > Jared
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RE: Convert TEMP tablespace from datafiles to tempfiles

2002-11-07 Thread Hand, Michael T
Jesse,
I did the same thing last week on our sandbox system using the method others
have prescribed.  There is a note 140913.1 covering a LMT bug in 8.1.6.
under OpenVMS.  You might want to double check to make sure no equivalent
problem exists on your platform.

Ron,
As Jared pointed out, it's the Temporary tablespace (not a tablespace with
temporary contents) that permits local extent management. In 8.1.7 I'm sure
you've already tried:

create tablespace temp_contents
datafile '/oracle/.../temp.data1' size 128M
temporary
extent management local uniform size 4M;

or something similar and gotten a ORA-25144.  Also be forwarned, 8.1.7 will
let you assign a Permanent LMT as temporary_tablespace for a user, but won't
let you create temporary segments there.

Mike



-Original Message-
Sent: Wednesday, November 06, 2002 10:56 AM
To: Multiple recipients of list ORACLE-L


Hey all,

I've got some downtime coming up on an 8.1.6 DB on Solaris, and I'd like to
take the opportunity to convert the datafiles of the TEMP tablespace to
tempfiles.  My reason for this change is primarily to get the TEMP
tablespace LMT, but also to shrink our hotbacks w/o modifying the working
script.

I've been trying to reason out this task in my head, as I can't find much on
MetaLink, and here's what I've got so far:

1)  Shutdown DB.
2)  Backup DB.
3)  Startup restricted.
4)  Offline tablespace TEMP.
5)  Drop tablespace TEMP.
6)  Create new temporary TEMP LMT.
7)  Bounce instance.

I don't yet have an arena to try this in.  Will users whose assigned
TEMPORARY TABLESPACE is TEMP need to be ALTERed?  Anyone have any comments
on the procedure?

TIA!

Rich


Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI USA
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Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Jesse, Rich
  INET: [EMAIL PROTECTED]

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TEMP/RBS LMTs (was: Convert TEMP tablespace...)

2002-11-07 Thread Jesse, Rich
10M temp TS?  You must have quite a nicely controlled working environment,
Jared!  ;)

But your example does bring up a question:  For TEMP and RBS LMTs, does the
Goldilocks Rule (128K/4M/128M uniform extents, post version 7.x) follow?  I
had created my TEMP and RBS with 1MB uniform before knowing about Goldilocks
and the infamous "How to Stop Defragmenting and Start Living" white paper.
And that paper is a little vague about TEMP and RBS LMTs, other than to say
that there should be between 1024 and 4096 extents in each.

Thoughts?

Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI USA

> -Original Message-
> From: [EMAIL PROTECTED] [mailto:Jared.Still@;radisys.com]
> Sent: Wednesday, November 06, 2002 3:35 PM
> To: Multiple recipients of list ORACLE-L
> Subject: Re: Convert TEMP tablespace from datafiles to tempfiles
> 
> 
> create temporary tablespace temp2 
>tempfile '/u01/oradata/dv01/temp2.dbf' size 10m 
>extent management local uniform size 128k;
> 
> HTH
> 
> Jared
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Re: Convert TEMP tablespace from datafiles to tempfiles

2002-11-06 Thread Jared . Still
create temporary tablespace temp2 
   tempfile '/u01/oradata/dv01/temp2.dbf' size 10m 
   extent management local uniform size 128k;

HTH

Jared






"Ron Rogers" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
 11/06/2002 12:10 PM
 Please respond to ORACLE-L

 
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc: 
Subject:    Re: Convert TEMP tablespace from datafiles to tempfiles


List,
Would you please explain to me how you are able to get TEMP and LMT
combined together. I use 8.1.7 and it is not allowed.
"Oracle8i DBA Handbook" Loney and Theriault, Osborne Oracle Press, Page
598 NOTE 
"If you specify Local in a create tablespace command, you can not
specify a default storage clause, minextents, or temporary. If you use
the create temporary tablespace command to create the tablespace, you
can specify extent_management local."
The tablespace that is being created is a tablespace with type =
temporary not permanent? correct?
Ron
ROR mô¿ôm

>>> [EMAIL PROTECTED] 11/06/02 01:39PM >>>

Rich,

If you've got the disk space, do it while the DB is up.  Much simpler.

Create a new Temporary LMT - call it NewTemp - with the appropriate
tempfiles.

Switch everyone to NewTemp by spooling and executing this and running
the
spooled file:
Select 'Alter User ' || UserName || ' Temporary Tablespace NewTemp ;'
>From   DBA_Users;

After a day or two, or when you can determine that no one is using the
old
Temp tablespace, offline and drop Temp.

If you've just got to have the Temp tablespace named Temp, repeat the
above
steps to create a new Temp LMT.

Jack C. Applewhite
Database Administrator
Austin Independent School District
Austin, Texas
512.414.9715 (wk)
512.935.5929 (pager)
[EMAIL PROTECTED] 



 
 
"Jesse, Rich" 
 
 <[EMAIL PROTECTED]> 
 
    Sent by:  cc: 
 
[EMAIL PROTECTED]   Subject: Convert TEMP
tablespace from 
m  datafiles to tempfiles 
 
 
 
 
 
11/06/2002 
 
09:56 AM 
 
Please respond 
 
to ORACLE-L 
 
 
 
 
 




Hey all,

I've got some downtime coming up on an 8.1.6 DB on Solaris, and I'd
like to
take the opportunity to convert the datafiles of the TEMP tablespace
to
tempfiles.  My reason for this change is primarily to get the TEMP
tablespace LMT, but also to shrink our hotbacks w/o modifying the
working
script.

I've been trying to reason out this task in my head, as I can't find
much
on
MetaLink, and here's what I've got so far:

1)  Shutdown DB.
2)  Backup DB.
3)  Startup restricted.
4)  Offline tablespace TEMP.
5)  Drop tablespace TEMP.
6)  Create new temporary TEMP LMT.
7)  Bounce instance.

I don't yet have an arena to try this in.  Will users whose assigned
TEMPORARY TABLESPACE is TEMP need to be ALTERed?  Anyone have any
comments
on the procedure?

TIA!

Rich

Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex,
WI
USA



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RE: Convert TEMP tablespace from datafiles to tempfiles

2002-11-06 Thread Jesse, Rich
Yeah, from the List, this method seems to be preferred.  My only problem is
in step 7 -- change "a" to "several".  This could require more testing,
however.  I imagine I'll be trying to ATLER TABLESPAVE TMEP afterwards...

Thx all!  :)

Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI USA

> -Original Message-
> From: Mercadante, Thomas F [mailto:NDATFM@;labor.state.ny.us]
> Sent: Wednesday, November 06, 2002 11:59 AM
> To: Multiple recipients of list ORACLE-L
> Subject: RE: Convert TEMP tablespace from datafiles to tempfiles
> 
> 
> Rich,
> 
> I have a better set of steps for you:
> 
> 1).  Create a new tablespace (TEMPLMT) and make it a LMT.
> 2).  One by one, issue ALTER USER {username} TEMPORARY 
> TABLESPACE TEMPLMT;
> 3).  Bounce the database
> 4).  DROP TABLESPACE TEMP INCLUDING CONTENTS;
> 5).  Backup the database
> 6).  Let users at it.
> 7).  Go have a beer.
> 
> The only "negative" here is that your TEMP tablespace is 
> called TEMPLMT, but
> it just doesn't matter.  If you want, you can do it again, this time
> creating the tablespace as TEMP if it makes you feel better.
> 
> Your method would work just fine.  Not sure if the users 
> would lose the
> designation of their TEMPORARY TABLESPACE, but if they do, 
> you can easily
> create a script to set their temp tablespace to TEMP again.
> 
> Hope this helps.
> 
> Tom Mercadante
> Oracle Certified Professional
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Re: Convert TEMP tablespace from datafiles to tempfiles

2002-11-06 Thread Ron Rogers
List,
Would you please explain to me how you are able to get TEMP and LMT
combined together. I use 8.1.7 and it is not allowed.
"Oracle8i DBA Handbook" Loney and Theriault, Osborne Oracle Press, Page
598 NOTE 
"If you specify Local in a create tablespace command, you can not
specify a default storage clause, minextents, or temporary. If you use
the create temporary tablespace command to create the tablespace, you
can specify extent_management local."
The tablespace that is being created is a tablespace with type =
temporary not permanent? correct?
Ron
ROR mô¿ôm

>>> [EMAIL PROTECTED] 11/06/02 01:39PM >>>

Rich,

If you've got the disk space, do it while the DB is up.  Much simpler.

Create a new Temporary LMT - call it NewTemp - with the appropriate
tempfiles.

Switch everyone to NewTemp by spooling and executing this and running
the
spooled file:
Select 'Alter User ' || UserName || ' Temporary Tablespace NewTemp ;'
>From   DBA_Users;

After a day or two, or when you can determine that no one is using the
old
Temp tablespace, offline and drop Temp.

If you've just got to have the Temp tablespace named Temp, repeat the
above
steps to create a new Temp LMT.

Jack C. Applewhite
Database Administrator
Austin Independent School District
Austin, Texas
512.414.9715 (wk)
512.935.5929 (pager)
[EMAIL PROTECTED] 



   
 
"Jesse, Rich"  
 
 <[EMAIL PROTECTED]>  
 
Sent by:  cc:  
     
[EMAIL PROTECTED]   Subject: Convert TEMP
tablespace from  
m  datafiles to tempfiles  
 
   
 
   
 
11/06/2002 
 
09:56 AM   
 
Please respond 
 
to ORACLE-L
 
   
 
   
 




Hey all,

I've got some downtime coming up on an 8.1.6 DB on Solaris, and I'd
like to
take the opportunity to convert the datafiles of the TEMP tablespace
to
tempfiles.  My reason for this change is primarily to get the TEMP
tablespace LMT, but also to shrink our hotbacks w/o modifying the
working
script.

I've been trying to reason out this task in my head, as I can't find
much
on
MetaLink, and here's what I've got so far:

1)  Shutdown DB.
2)  Backup DB.
3)  Startup restricted.
4)  Offline tablespace TEMP.
5)  Drop tablespace TEMP.
6)  Create new temporary TEMP LMT.
7)  Bounce instance.

I don't yet have an arena to try this in.  Will users whose assigned
TEMPORARY TABLESPACE is TEMP need to be ALTERed?  Anyone have any
comments
on the procedure?

TIA!

Rich

Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex,
WI
USA



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Re: Convert TEMP tablespace from datafiles to tempfiles

2002-11-06 Thread Jared . Still
If have the space, create the new TEMP tablespace first, alter all users
that have the old one to now use the new one, drop the old tablespace.

Jared






"Jesse, Rich" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
 11/06/2002 07:56 AM
 Please respond to ORACLE-L

 
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc: 
Subject:Convert TEMP tablespace from datafiles to tempfiles


Hey all,

I've got some downtime coming up on an 8.1.6 DB on Solaris, and I'd like 
to
take the opportunity to convert the datafiles of the TEMP tablespace to
tempfiles.  My reason for this change is primarily to get the TEMP
tablespace LMT, but also to shrink our hotbacks w/o modifying the working
script.

I've been trying to reason out this task in my head, as I can't find much 
on
MetaLink, and here's what I've got so far:

1)  Shutdown DB.
2)  Backup DB.
3)  Startup restricted.
4)  Offline tablespace TEMP.
5)  Drop tablespace TEMP.
6)  Create new temporary TEMP LMT.
7)  Bounce instance.

I don't yet have an arena to try this in.  Will users whose assigned
TEMPORARY TABLESPACE is TEMP need to be ALTERed?  Anyone have any comments
on the procedure?

TIA!

Rich


Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI 
USA
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Please see the official ORACLE-L FAQ: http://www.orafaq.com
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Author: Jesse, Rich
  INET: [EMAIL PROTECTED]

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Re: Convert TEMP tablespace from datafiles to tempfiles

2002-11-06 Thread JApplewhite

Rich,

If you've got the disk space, do it while the DB is up.  Much simpler.

Create a new Temporary LMT - call it NewTemp - with the appropriate
tempfiles.

Switch everyone to NewTemp by spooling and executing this and running the
spooled file:
Select 'Alter User ' || UserName || ' Temporary Tablespace NewTemp ;'
>From   DBA_Users;

After a day or two, or when you can determine that no one is using the old
Temp tablespace, offline and drop Temp.

If you've just got to have the Temp tablespace named Temp, repeat the above
steps to create a new Temp LMT.

Jack C. Applewhite
Database Administrator
Austin Independent School District
Austin, Texas
512.414.9715 (wk)
512.935.5929 (pager)
[EMAIL PROTECTED]



   
  
"Jesse, Rich"  
  
 <[EMAIL PROTECTED]>  
  
Sent by:  cc:  
  
[EMAIL PROTECTED]   Subject: Convert TEMP tablespace from
  
m  datafiles to tempfiles  
  
   
  
   
  
11/06/2002 
  
09:56 AM   
  
Please respond 
  
to ORACLE-L
  
   
  
   
  




Hey all,

I've got some downtime coming up on an 8.1.6 DB on Solaris, and I'd like to
take the opportunity to convert the datafiles of the TEMP tablespace to
tempfiles.  My reason for this change is primarily to get the TEMP
tablespace LMT, but also to shrink our hotbacks w/o modifying the working
script.

I've been trying to reason out this task in my head, as I can't find much
on
MetaLink, and here's what I've got so far:

1)  Shutdown DB.
2)  Backup DB.
3)  Startup restricted.
4)  Offline tablespace TEMP.
5)  Drop tablespace TEMP.
6)  Create new temporary TEMP LMT.
7)  Bounce instance.

I don't yet have an arena to try this in.  Will users whose assigned
TEMPORARY TABLESPACE is TEMP need to be ALTERed?  Anyone have any comments
on the procedure?

TIA!

Rich

Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI
USA



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RE: Convert TEMP tablespace from datafiles to tempfiles

2002-11-06 Thread Mercadante, Thomas F
Rich,

I have a better set of steps for you:

1).  Create a new tablespace (TEMPLMT) and make it a LMT.
2).  One by one, issue ALTER USER {username} TEMPORARY TABLESPACE TEMPLMT;
3).  Bounce the database
4).  DROP TABLESPACE TEMP INCLUDING CONTENTS;
5).  Backup the database
6).  Let users at it.
7).  Go have a beer.

The only "negative" here is that your TEMP tablespace is called TEMPLMT, but
it just doesn't matter.  If you want, you can do it again, this time
creating the tablespace as TEMP if it makes you feel better.

Your method would work just fine.  Not sure if the users would lose the
designation of their TEMPORARY TABLESPACE, but if they do, you can easily
create a script to set their temp tablespace to TEMP again.

Hope this helps.

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Wednesday, November 06, 2002 10:56 AM
To: Multiple recipients of list ORACLE-L


Hey all,

I've got some downtime coming up on an 8.1.6 DB on Solaris, and I'd like to
take the opportunity to convert the datafiles of the TEMP tablespace to
tempfiles.  My reason for this change is primarily to get the TEMP
tablespace LMT, but also to shrink our hotbacks w/o modifying the working
script.

I've been trying to reason out this task in my head, as I can't find much on
MetaLink, and here's what I've got so far:

1)  Shutdown DB.
2)  Backup DB.
3)  Startup restricted.
4)  Offline tablespace TEMP.
5)  Drop tablespace TEMP.
6)  Create new temporary TEMP LMT.
7)  Bounce instance.

I don't yet have an arena to try this in.  Will users whose assigned
TEMPORARY TABLESPACE is TEMP need to be ALTERed?  Anyone have any comments
on the procedure?

TIA!

Rich


Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI USA
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Re:Convert TEMP tablespace from datafiles to tempfiles

2002-11-06 Thread dgoulet
Jesse,

When you drop the temp tablespace everyone who had it assigned as their temp
space will have that changed to SYSTEM.  The following should fix that:

declare
 s varchar2(200);
  begin
 for a in (select username from dba_users) loop
  s := 'alter user '||a.username||' temporary tablespace temp';
  execute immediate s;
 end loop;
  end;


Dick Goulet

Reply Separator
Author: "Jesse; Rich" <[EMAIL PROTECTED]>
Date:   11/6/2002 7:56 AM

Hey all,

I've got some downtime coming up on an 8.1.6 DB on Solaris, and I'd like to
take the opportunity to convert the datafiles of the TEMP tablespace to
tempfiles.  My reason for this change is primarily to get the TEMP
tablespace LMT, but also to shrink our hotbacks w/o modifying the working
script.

I've been trying to reason out this task in my head, as I can't find much on
MetaLink, and here's what I've got so far:

1)  Shutdown DB.
2)  Backup DB.
3)  Startup restricted.
4)  Offline tablespace TEMP.
5)  Drop tablespace TEMP.
6)  Create new temporary TEMP LMT.
7)  Bounce instance.

I don't yet have an arena to try this in.  Will users whose assigned
TEMPORARY TABLESPACE is TEMP need to be ALTERed?  Anyone have any comments
on the procedure?

TIA!

Rich


Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI USA
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Convert TEMP tablespace from datafiles to tempfiles

2002-11-06 Thread Jesse, Rich
Hey all,

I've got some downtime coming up on an 8.1.6 DB on Solaris, and I'd like to
take the opportunity to convert the datafiles of the TEMP tablespace to
tempfiles.  My reason for this change is primarily to get the TEMP
tablespace LMT, but also to shrink our hotbacks w/o modifying the working
script.

I've been trying to reason out this task in my head, as I can't find much on
MetaLink, and here's what I've got so far:

1)  Shutdown DB.
2)  Backup DB.
3)  Startup restricted.
4)  Offline tablespace TEMP.
5)  Drop tablespace TEMP.
6)  Create new temporary TEMP LMT.
7)  Bounce instance.

I don't yet have an arena to try this in.  Will users whose assigned
TEMPORARY TABLESPACE is TEMP need to be ALTERed?  Anyone have any comments
on the procedure?

TIA!

Rich


Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI USA
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Dictionary managed Temp tablespace space missing

2002-08-31 Thread kommareddy sreenivasa

Hello all,
 
 DB: 8172
 
 I have a dictionary managed temp tablespace, size 22
 Gig. When I see the  free space in dba_free_space, it
is showing only 18  Gig as free. But there is no usage
found in v$sort_usage, v$sort_segment.
 
 I bounced the DB to reclaim to free-up TEMP. But no
use. Its free space is  still 18 Gig in
 dba_free_space. (There is no objects created in this
 tablespace, checked  in dba_segments and this TS type
is TEMPORARY)
 
am I missing something to calculate usage of TEMP.
 
any clues ? 
 
 Thanks and regards,
 Srinivas
 


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RE: TEMP TABLESPACE

2002-05-20 Thread Sherman, Paul R.

Hamid,

1) Do not let TEMP tablespace have autoextend set to on - my .02 is to never
have this set to on for any tablespace, but to monitor and expand as
necessary. Other DBAs like autoextend, so you may want that for other
tablespaces, but not for TEMP.

2) A nice trick to get TEMP cleared of allocated-but-no-longer-used space is
to set the next extent to, say 512MB (from say, 1024MB). This will cause all
space but what is being currently used to be wiped out. The set next extent
back to 1024 (or whatever it was before).

Thank you,

Paul Sherman
DBAElcom, Inc.
email - [EMAIL PROTECTED]


-Original Message-
Sent: Monday, May 20, 2002 1:59 PM
To: Multiple recipients of list ORACLE-L


Hi List,

I have two data files for my TEMP tablespace, & i just find out one of the
data file "AUTO EXTEND" is set to on is it right??
I beleive for TEMP tablespace autoextend shoudn't be ON, AM I RIGHT or NOT?
Now my data file almost full for TEMP tablespace how can I Clean it up, I
run 
ALTER TABLESPACE TEMP COALESCE   BUT STILL DATA FILE IS FULL
ORACLE 8.1.7.0 ON SUN SOLARIS

\THANKS ALLOT



Hamid Alavi
Office 818 737-0526
Cell818 402-1987






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TEMP TABLESPACE

2002-05-20 Thread Hamid Alavi

Hi List,

I have two data files for my TEMP tablespace, & i just find out one of the
data file "AUTO EXTEND" is set to on is it right??
I beleive for TEMP tablespace autoextend shoudn't be ON, AM I RIGHT or NOT?
Now my data file almost full for TEMP tablespace how can I Clean it up, I
run 
ALTER TABLESPACE TEMP COALESCE   BUT STILL DATA FILE IS FULL
ORACLE 8.1.7.0 ON SUN SOLARIS

\THANKS ALLOT



Hamid Alavi
Office 818 737-0526
Cell818 402-1987






=== Confidentiality Statement === 
The information contained in this message and any attachments is 
intended only for the use of the individual or entity to which it is 
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and exempt from disclosure under applicable law.  If you have received 
this message in error, you are prohibited from copying, distributing, or 
using the information.  Please contact the sender immediately by return 
e-mail and delete the original message from your system. 
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RE: TEMP tablespace growing abnormally -Sort Area

2002-05-14 Thread DENNIS WILLIAMS

Simon - My apologies. Tim's response was for the other problem that is
getting a lot of responses. In trying to read the postings as well as get
some work done here, I confused the two.
I was thinking that the response said that the loader first loads
into the TEMPORARY segment, then merged with the table segment. I confused
the two since they both involved "temp".
I don't have a specific solution to your problem, but my survival
instincts as a crusty old DBA (but still employed) say "don't make your TEMP
tablespace autoextend". It just feels like you are trolling for trouble. I
am a big fan of autoextend and have it on all my datafiles except for a
couple, and guess what -- TEMP is not on autoextend for me. Maybe once you
lick this one, you can give talks worldwide on either a) why you should
never let TEMP autoextend or b) why you're missing the best part of Oracle
by not letting your TEMP autoextend. I promise I'll attend your talk.
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED]


-Original Message-
Sent: Tuesday, May 14, 2002 4:13 PM
To: Multiple recipients of list ORACLE-L


Dennis,
I haven't seen Tim's posting !!? as regards my woos

-Original Message-
Sent: Tuesday, May 14, 2002 10:13 PM
To: Multiple recipients of list ORACLE-L


Simon - I think Tim has given you a good answer to your TEMP tablespace
growth. I just wanted to warn you to be cautious about extremely large sizes
of SORT_AREA_SIZE. This is a per-process setting, which means that if you
have several processes, each process may acquire a lot of memory and the
overall system memory may be overallocated. I speak from experience, bad
experience.
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED]


-Original Message-
Sent: Tuesday, May 14, 2002 1:14 PM
To: Multiple recipients of list ORACLE-L


Forgot to tell you that myparameter for sort_area_size= apx. 8GB

-Original Message-
Sent: Tuesday, May 14, 2002 8:02 PM
To: '[EMAIL PROTECTED]'


Hi all,
Having a bad start of week.
My temp tablespace is growing abnormally -from 3GB -> 32 GB (Filled up
disk).
DB is 81700 on Tru64 Unix, 120GB in size, appx 150 front-End users running 
billing application for appx 200,000 customer base.
Initially set-up as OPS but undone though init.ora file still has
PARALEL_SERVER=TRUE, only one node is active.

I've seen a refernce to OPS in relation to de-allocation of extents but
can't
get further.
Any help will be appreciated.

---
CSW
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RE: TEMP tablespace growing abnormally

2002-05-14 Thread Rodrigues, Bryan

Simon,

If auto extend is on the tablespace and there is a runaway or resource
intensive process that is using up  a great amount of temp space, Oracle
will keep expanding the size of the tablespace until you have run out of
space on the disk.

Bryan

-Original Message-
Sent: Tuesday, May 14, 2002 5:08 PM
To: Multiple recipients of list ORACLE-L


Yes,
But this shouldn't warrant 'indefinite extension' of the TB ?!?

-Original Message-
Sent: Tuesday, May 14, 2002 9:39 PM
To: Multiple recipients of list ORACLE-L


Do you have auto extend on the temp tablespace?

Bryan

-Original Message-
Sent: Tuesday, May 14, 2002 2:10 PM
To: Multiple recipients of list ORACLE-L


Hi all,
Having a bad start of week.
My temp tablespace is growing abnormally -from 3GB -> 32 GB (Filled up
disk).
DB is 81700 on Tru64 Unix, 120GB in size, appx 150 front-End users running 
billing application for appx 200,000 customer base.
Initially set-up as OPS but undone though init.ora file still has
PARALEL_SERVER=TRUE, only one node is active.

I've seen a refernce to OPS in relation to de-allocation of extents but
can't
get further.
Any help will be appreciated.

---
CSW
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RE: TEMP tablespace growing abnormally -Sort Area

2002-05-14 Thread Simon Waibale

Dennis,
I haven't seen Tim's posting !!? as regards my woos

-Original Message-
Sent: Tuesday, May 14, 2002 10:13 PM
To: Multiple recipients of list ORACLE-L


Simon - I think Tim has given you a good answer to your TEMP tablespace
growth. I just wanted to warn you to be cautious about extremely large sizes
of SORT_AREA_SIZE. This is a per-process setting, which means that if you
have several processes, each process may acquire a lot of memory and the
overall system memory may be overallocated. I speak from experience, bad
experience.
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED]


-Original Message-
Sent: Tuesday, May 14, 2002 1:14 PM
To: Multiple recipients of list ORACLE-L


Forgot to tell you that myparameter for sort_area_size= apx. 8GB

-Original Message-
Sent: Tuesday, May 14, 2002 8:02 PM
To: '[EMAIL PROTECTED]'


Hi all,
Having a bad start of week.
My temp tablespace is growing abnormally -from 3GB -> 32 GB (Filled up
disk).
DB is 81700 on Tru64 Unix, 120GB in size, appx 150 front-End users running 
billing application for appx 200,000 customer base.
Initially set-up as OPS but undone though init.ora file still has
PARALEL_SERVER=TRUE, only one node is active.

I've seen a refernce to OPS in relation to de-allocation of extents but
can't
get further.
Any help will be appreciated.

---
CSW
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RE: TEMP tablespace growing abnormally -Sort Area

2002-05-14 Thread Simon Waibale

TEMPORARY

-Original Message-
Sent: Tuesday, May 14, 2002 9:39 PM
To: Multiple recipients of list ORACLE-L


Is your TEMP tablespace set to TEMPORARY or PERMANENT?



-Original Message-
Sent: Tuesday, May 14, 2002 11:14 AM
To: Multiple recipients of list ORACLE-L


Forgot to tell you that myparameter for sort_area_size= apx. 8GB

-Original Message-
Sent: Tuesday, May 14, 2002 8:02 PM
To: '[EMAIL PROTECTED]'


Hi all,
Having a bad start of week.
My temp tablespace is growing abnormally -from 3GB -> 32 GB (Filled up
disk).
DB is 81700 on Tru64 Unix, 120GB in size, appx 150 front-End users running 
billing application for appx 200,000 customer base.
Initially set-up as OPS but undone though init.ora file still has
PARALEL_SERVER=TRUE, only one node is active.

I've seen a refernce to OPS in relation to de-allocation of extents but
can't
get further.
Any help will be appreciated.

---
CSW
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
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RE: TEMP tablespace growing abnormally

2002-05-14 Thread Simon Waibale

Yes,
But this shouldn't warrant 'indefinite extension' of the TB ?!?

-Original Message-
Sent: Tuesday, May 14, 2002 9:39 PM
To: Multiple recipients of list ORACLE-L


Do you have auto extend on the temp tablespace?

Bryan

-Original Message-
Sent: Tuesday, May 14, 2002 2:10 PM
To: Multiple recipients of list ORACLE-L


Hi all,
Having a bad start of week.
My temp tablespace is growing abnormally -from 3GB -> 32 GB (Filled up
disk).
DB is 81700 on Tru64 Unix, 120GB in size, appx 150 front-End users running 
billing application for appx 200,000 customer base.
Initially set-up as OPS but undone though init.ora file still has
PARALEL_SERVER=TRUE, only one node is active.

I've seen a refernce to OPS in relation to de-allocation of extents but
can't
get further.
Any help will be appreciated.

---
CSW
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
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RE: TEMP tablespace growing abnormally -Sort Area

2002-05-14 Thread Khedr, Waleed

I think you meant 8MB not 8GB, right?

Take a look at v$sort_usage and find these sessions that are filling the
TEMP TS.
>From there find the sql behind this temp space and try to figure out if it's
normal to allocate this space or there is a CARTESIAN join for example that
is giving you this problem.

It's not weired to fill a 32 GB temp TS in a data warehouse application.

Regards,
Waleed

-Original Message-
Sent: Tuesday, May 14, 2002 2:14 PM
To: Multiple recipients of list ORACLE-L


Forgot to tell you that myparameter for sort_area_size= apx. 8GB

-Original Message-
Sent: Tuesday, May 14, 2002 8:02 PM
To: '[EMAIL PROTECTED]'


Hi all,
Having a bad start of week.
My temp tablespace is growing abnormally -from 3GB -> 32 GB (Filled up
disk).
DB is 81700 on Tru64 Unix, 120GB in size, appx 150 front-End users running 
billing application for appx 200,000 customer base.
Initially set-up as OPS but undone though init.ora file still has
PARALEL_SERVER=TRUE, only one node is active.

I've seen a refernce to OPS in relation to de-allocation of extents but
can't
get further.
Any help will be appreciated.

---
CSW
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Simon Waibale
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RE: TEMP tablespace growing abnormally -Sort Area

2002-05-14 Thread DENNIS WILLIAMS

Simon - I think Tim has given you a good answer to your TEMP tablespace
growth. I just wanted to warn you to be cautious about extremely large sizes
of SORT_AREA_SIZE. This is a per-process setting, which means that if you
have several processes, each process may acquire a lot of memory and the
overall system memory may be overallocated. I speak from experience, bad
experience.
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED]


-Original Message-
Sent: Tuesday, May 14, 2002 1:14 PM
To: Multiple recipients of list ORACLE-L


Forgot to tell you that myparameter for sort_area_size= apx. 8GB

-Original Message-
Sent: Tuesday, May 14, 2002 8:02 PM
To: '[EMAIL PROTECTED]'


Hi all,
Having a bad start of week.
My temp tablespace is growing abnormally -from 3GB -> 32 GB (Filled up
disk).
DB is 81700 on Tru64 Unix, 120GB in size, appx 150 front-End users running 
billing application for appx 200,000 customer base.
Initially set-up as OPS but undone though init.ora file still has
PARALEL_SERVER=TRUE, only one node is active.

I've seen a refernce to OPS in relation to de-allocation of extents but
can't
get further.
Any help will be appreciated.

---
CSW
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Simon Waibale
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RE: TEMP tablespace growing abnormally

2002-05-14 Thread Rodrigues, Bryan

Do you have auto extend on the temp tablespace?

Bryan

-Original Message-
Sent: Tuesday, May 14, 2002 2:10 PM
To: Multiple recipients of list ORACLE-L


Hi all,
Having a bad start of week.
My temp tablespace is growing abnormally -from 3GB -> 32 GB (Filled up
disk).
DB is 81700 on Tru64 Unix, 120GB in size, appx 150 front-End users running 
billing application for appx 200,000 customer base.
Initially set-up as OPS but undone though init.ora file still has
PARALEL_SERVER=TRUE, only one node is active.

I've seen a refernce to OPS in relation to de-allocation of extents but
can't
get further.
Any help will be appreciated.

---
CSW
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Simon Waibale
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RE: TEMP tablespace growing abnormally -Sort Area

2002-05-14 Thread Wong, Bing

Is your TEMP tablespace set to TEMPORARY or PERMANENT?



-Original Message-
Sent: Tuesday, May 14, 2002 11:14 AM
To: Multiple recipients of list ORACLE-L


Forgot to tell you that myparameter for sort_area_size= apx. 8GB

-Original Message-
Sent: Tuesday, May 14, 2002 8:02 PM
To: '[EMAIL PROTECTED]'


Hi all,
Having a bad start of week.
My temp tablespace is growing abnormally -from 3GB -> 32 GB (Filled up
disk).
DB is 81700 on Tru64 Unix, 120GB in size, appx 150 front-End users running 
billing application for appx 200,000 customer base.
Initially set-up as OPS but undone though init.ora file still has
PARALEL_SERVER=TRUE, only one node is active.

I've seen a refernce to OPS in relation to de-allocation of extents but
can't
get further.
Any help will be appreciated.

---
CSW
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Simon Waibale
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TEMP tablespace growing abnormally

2002-05-14 Thread Simon Waibale

Hi all,
Having a bad start of week.
My temp tablespace is growing abnormally -from 3GB -> 32 GB (Filled up disk).
DB is 81700 on Tru64 Unix, 120GB in size, appx 150 front-End users running 
billing application for appx 200,000 customer base.
Initially set-up as OPS but undone though init.ora file still has
PARALEL_SERVER=TRUE, only one node is active.

I've seen a refernce to OPS in relation to de-allocation of extents but can't
get further.
Any help will be appreciated.

---
CSW
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
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TEMP tablespace growing abnormally -Sort Area

2002-05-14 Thread Simon Waibale

Forgot to tell you that myparameter for sort_area_size= apx. 8GB

-Original Message-
Sent: Tuesday, May 14, 2002 8:02 PM
To: '[EMAIL PROTECTED]'


Hi all,
Having a bad start of week.
My temp tablespace is growing abnormally -from 3GB -> 32 GB (Filled up disk).
DB is 81700 on Tru64 Unix, 120GB in size, appx 150 front-End users running 
billing application for appx 200,000 customer base.
Initially set-up as OPS but undone though init.ora file still has
PARALEL_SERVER=TRUE, only one node is active.

I've seen a refernce to OPS in relation to de-allocation of extents but can't
get further.
Any help will be appreciated.

---
CSW
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
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Re: Large record count in fet$ for TEMP tablespace

2002-03-19 Thread Rajesh . Rao


Been there... Done that. After we estimated coalescing free space would
take 10 hours.

drop all the objects in the tablespace
delete from fet$ for that tablespace
add a single row in fet$ for the entire tablespace
drop the tablespace (reduced from 10 hours to couple of seconds).
recreate the tablespace.
DISCLAIMER:  I do not warrant the accuracy, adequacy or completeness of
this information. In no event, will I be liable for any damages, direct or
indirect, losses, expenses, or outages, or system failure. If you are brave
and helpless enough, to do the things I did, it's at your own risk.

And for the answer to question 3), this is not normal. You should never let
any tablespace run into this many number of free extents. Unless you want
to start defragmenting, and stop living ;-)

http://www.dbatoolbox.com/WP2001/spacemgmt/defrag.htm

Regards
Raj





   
 
Connor 
 
McDonald To: Multiple recipients of list ORACLE-L 
<[EMAIL PROTECTED]>
  Subject: Re: Large record count in fet$ 
for TEMP  tablespace   
Sent by:   
 
root@fatcity.  
 
com
 
   
 
   
 
March 19,  
 
2002 12:08 PM  
 
Please 
 
respond to 
 
ORACLE-L   
 
   
 
   
 




I've seen some hacks in the past involving dropping
all segments for that tspace, direct deletes from fet$
and then dropping the tablespace...

Not for the faint hearted, certainly not supported and
you never heard it from me :-)

Cheers
Connor

 --- "Casey A. Jordan" <[EMAIL PROTECTED]> wrote: >
When trying to select *  from
> DBA_FREE_SPACE_COALESCED  the query hangs.   It also
> hangs when trying to calculate free space from the
> DBA_FREE_SPACE view.  I looked in the sys.fet$ table
> and found that the TEMP tablespace has  21423
> entries and I believe this is my problem.
>
> Now for my questions.
>
> 1.  Is coalescing the best solution for this
> problem?
> 1.  Can I coalesce the tablespace without changing
> it to a permanent tablespace?
> 2.  Is there a faster way to drop the exents then
> the alter tablespace coalesce command?  I ran it for
> about 10 minutes and canceled it.
> 3.  Is this normal and do I need to coalesce the
> TEMP tablespace on a regular basis to avoid this
> happening again?
>
>
> Thanks,
> CAJ


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Re: Large record count in fet$ for TEMP tablespace

2002-03-19 Thread Connor McDonald

I've seen some hacks in the past involving dropping
all segments for that tspace, direct deletes from fet$
and then dropping the tablespace...

Not for the faint hearted, certainly not supported and
you never heard it from me :-)

Cheers
Connor

 --- "Casey A. Jordan" <[EMAIL PROTECTED]> wrote: >
When trying to select *  from
> DBA_FREE_SPACE_COALESCED  the query hangs.   It also
> hangs when trying to calculate free space from the
> DBA_FREE_SPACE view.  I looked in the sys.fet$ table
> and found that the TEMP tablespace has  21423
> entries and I believe this is my problem. 
> 
> Now for my questions.
> 
> 1.  Is coalescing the best solution for this
> problem?
> 1.  Can I coalesce the tablespace without changing
> it to a permanent tablespace?
> 2.  Is there a faster way to drop the exents then
> the alter tablespace coalesce command?  I ran it for
> about 10 minutes and canceled it.
> 3.  Is this normal and do I need to coalesce the
> TEMP tablespace on a regular basis to avoid this
> happening again?
> 
> 
> Thanks,
> CAJ
>  

=
Connor McDonald
http://www.oracledba.co.uk (mirrored at 
http://www.oradba.freeserve.co.uk)

"Some days you're the pigeon, some days you're the statue"

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Large record count in fet$ for TEMP tablespace

2002-03-19 Thread Casey A. Jordan



When trying to select *  from 
DBA_FREE_SPACE_COALESCED  the query hangs.   It also hangs when 
trying to calculate free space from the DBA_FREE_SPACE view.  I looked in 
the sys.fet$ table and found that the TEMP tablespace has  21423 entries 
and I believe this is my problem. 
 
Now for my questions.
 
1.  Is coalescing the best solution for this 
problem?
1.  Can I coalesce the tablespace without 
changing it to a permanent tablespace?
2.  Is there a faster way to drop the exents 
then the alter tablespace coalesce command?  I ran it for about 10 minutes 
and canceled it.
3.  Is this normal and do I need to coalesce 
the TEMP tablespace on a regular basis to avoid this happening 
again?
 
 
Thanks,CAJ


RE:Hot backup and TEMP tablespace

2002-01-29 Thread Dave Morgan

ALWAYS BACKUP THE ROLLBACK TABLESPACE!

or you will not be able to recover. How else will Oracle
rollback a transaction in the works when the database went
down.

I do not back up TEMP or my INDEX tables spaces. I have
scripts that recreate all of these. (150GB of indices, not
worth the tape.) And while I use RMAN for backups I do 
all my recoveries from the our scripted hot backups. I also
practise recoveries every 6 months. 

RMAN backups fine, it's recoveries it has trouble with :)
Why?

There is limited flexibility with RMAN along with an added dependency.
As most know I loathe unecessary dependencies.

An Example:
power surge blows out Machine and hub/router power supply.

Machine automagicaly fails over to alternate power, however, 
the hub/router needs servicing. Your RMAN catalog is on the other
side of the hub/router.  What are you going to do now?


And yes, as I keep saying, I am paranoid.

Dave



Tom wrote:
> steps just to save yourself some time during backups?  Why stop at backing
> up the TEMP tablespace - why not the ROLLBACK tablespace - this could be
> dropped and re-created also.  Why not INDEX tablespaces - heck, if you have
> the scripts, these could be re-created too!

-- 
Dave Morgan
DBA, Cybersurf
Office: 403 777 2000 ext 284
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RE: Hot backup and TEMP tablespace

2002-01-28 Thread Kimberly Smith

Hum, I apologize.  Did not read well enough.

-Original Message-
Thomas F
Sent: Monday, January 28, 2002 9:16 AM
To: Multiple recipients of list ORACLE-L


Kimberly,

That is an excellent point!  But the original writer was taking a hot backup
of the TEMP tablespace, so she must be using an older version of Oracle.

Maybe she should migrate to 8i?   :)

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Monday, January 28, 2002 10:16 AM
To: Multiple recipients of list ORACLE-L


If you are using a temp tablespace with a temp file you really are not
suppose to back it up.  This comes from Oracle, not folks trying to save
time.  You cannot put them into backup mode so how do you recommend backing
them up?

-Original Message-
Thomas F
Sent: Monday, January 28, 2002 5:31 AM
To: Multiple recipients of list ORACLE-L


Traci,

Yes, you can skip backing up the TEMP tablespaces, and as Kirti suggested,
and have instructions in your recovery manual on how to rebuild the
tablespace when you are going thru a recovery.

In my humble opinion, I would not do this.  It's kinda like using duct tape
to cover a crack in the window - it works, but its really not right.

Do you really want to be in the position of performing "extra" recovery
steps just to save yourself some time during backups?  Why stop at backing
up the TEMP tablespace - why not the ROLLBACK tablespace - this could be
dropped and re-created also.  Why not INDEX tablespaces - heck, if you have
the scripts, these could be re-created too!

My point (as a professional DBA) is that, backups should be intact so that
you can recover easily without having to do "extra work".  It is really one
less thing to remember and have to worry about.

If your real issue is that you cannot perform your backup in the time
allotted, or that you need more disk space to perform your backup, you
should either investigate Rman (as Jared suggested), or buy more disk - both
should be considered the "cost of doing business".  I am a strong proponent
of Rman - it solves MANY backup and recovery problems.

Hope this helps!

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Saturday, January 26, 2002 10:40 AM
To: Multiple recipients of list ORACLE-L



I was wondering if anyone could offer any suggestions to this issue, or the
pro's and con's...

We are trying to shorten the time frame that it takes to complete our
Oracle hot backups, and the subsequent file copies to tape.  I have read
that it is ok to skip the TEMP tablespace, and then do an off-line drop of
the datafile(s) in the temporary tablespace, drop the tablespace, and then
recreate it.

Our temporary tablespaces are 900mb, and they take a chunk of the total
time it takes to complete the hot backups.  Are there any issues or
ramifications of not including that tablespace in the event of a recovery?
It seems to me that it would be much quicker to re-create that tablespace
if needed.

Any suggestions are greatly appreciated.

Traci Rebman
Oracle Database Administrator
R.R. Donnelley & Sons - Financial Division
Lancaster, PA

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RE: Hot backup and TEMP tablespace

2002-01-28 Thread Jeremiah Wilton

On Mon, 28 Jan 2002, John Kanagaraj wrote:

> There are two kinds of media recovery : Complete and incomplete. The
> former requires that the database be mounted but not open when
> recovery is being performed. If the database was just mounted, then
> you will not be able to drop the TEMP tablespace.

She is talking about offline drop of the datafiles comprising the
temporary tablespaces before you begin the recovery.  You can do this
in mount mode regardless of what type of recovery you are performing.
You wait to drop and recreate the tablespace until *after* you are
done recovering (complete or incomplete) and have opened the database.
The existence of the tablespace in the dictionary has no effect on
recovery.

> Add to this the fact that Oracle applies archive logs based on the
> file header SCNs. If you restore an old copy of the TEMP
> tablespace's datafiles, the recovery will require that *all* the
> archive logs since the last backup of TEMP. This implies that you
> need to be able to get these archive logs from the backup (without
> missing even one), and spend time in applying them.  This is
> something you DON'T want to do in an emergen

She is not planning to restore an old copy of the temp datafiles, but
just re-create them after open.  With careful planning, this is a safe
and clever way to conserve resources during backup.  It might actually
*reduce* MTR for the recovery.

--
Jeremiah Wilton
http://www.speakeasy.net/~jwilton

> > -Original Message-
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> > 
> > I was wondering if anyone could offer any suggestions to this 
> > issue, or the
> > pro's and con's...
> > 
> > We are trying to shorten the time frame that it takes to complete our
> > Oracle hot backups, and the subsequent file copies to tape.  
> > I have read
> > that it is ok to skip the TEMP tablespace, and then do an 
> > off-line drop of
> > the datafile(s) in the temporary tablespace, drop the 
> > tablespace, and then
> > recreate it.
> > 
> > Our temporary tablespaces are 900mb, and they take a chunk of 
> > the total
> > time it takes to complete the hot backups.  Are there any issues or
> > ramifications of not including that tablespace in the event 
> > of a recovery?
> > It seems to me that it would be much quicker to re-create 
> > that tablespace
> > if needed.
> > 
> > Any suggestions are greatly appreciated.

-- 
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RE: Hot backup and TEMP tablespace

2002-01-28 Thread John Kanagaraj

Hi Traci,

You need to keep the following in mind before deciding to stop backing up
TEMP.

There are two kinds of media recovery : Complete and incomplete. The former
requires that the database be mounted but not open when recovery is being
performed. If the database was just mounted, then you will not be able to
drop the TEMP tablespace. 

Add to this the fact that Oracle applies archive logs based on the file
header SCNs. If you restore an old copy of the TEMP tablespace's datafiles,
the recovery will require that *all* the archive logs since the last backup
of TEMP. This implies that you need to be able to get these archive logs
from the backup (without missing even one), and spend time in applying them.
This is something you DON'T want to do in an emergen

I would look at using RMAN as Jared has suggested. Empty blocks are not
backed up, and there are opportunties for incremental backups as well.

We have a 13 Gb TEMP tablespace on our Production APPS 10.7 database and
back that up everyday. Tape is cheap - time is not.

John Kanagaraj
Oracle Applications DBA
DBSoft Inc
(W): 408-970-7002

Fear is the darkroom where Evil develops your negatives. 
Wanna break free of fear? Click on 'http://www.needhim.org'

** The opinions and statements above are entirely my own and not those of my
employer or clients **


> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: Saturday, January 26, 2002 7:40 AM
> To: Multiple recipients of list ORACLE-L
> Subject: Hot backup and TEMP tablespace
> 
> 
> 
> I was wondering if anyone could offer any suggestions to this 
> issue, or the
> pro's and con's...
> 
> We are trying to shorten the time frame that it takes to complete our
> Oracle hot backups, and the subsequent file copies to tape.  
> I have read
> that it is ok to skip the TEMP tablespace, and then do an 
> off-line drop of
> the datafile(s) in the temporary tablespace, drop the 
> tablespace, and then
> recreate it.
> 
> Our temporary tablespaces are 900mb, and they take a chunk of 
> the total
> time it takes to complete the hot backups.  Are there any issues or
> ramifications of not including that tablespace in the event 
> of a recovery?
> It seems to me that it would be much quicker to re-create 
> that tablespace
> if needed.
> 
> Any suggestions are greatly appreciated.
> 
> Traci Rebman
> Oracle Database Administrator
> R.R. Donnelley & Sons - Financial Division
> Lancaster, PA
> 
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> -- 
> Author: 
>   INET: [EMAIL PROTECTED]
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> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from).  You may
> also send the HELP command for other information (like subscribing).
> 
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RE: Hot backup and TEMP tablespace

2002-01-28 Thread Mercadante, Thomas F

Kimberly,

That is an excellent point!  But the original writer was taking a hot backup
of the TEMP tablespace, so she must be using an older version of Oracle.

Maybe she should migrate to 8i?   :)

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Monday, January 28, 2002 10:16 AM
To: Multiple recipients of list ORACLE-L


If you are using a temp tablespace with a temp file you really are not
suppose to back it up.  This comes from Oracle, not folks trying to save
time.  You cannot put them into backup mode so how do you recommend backing
them up?

-Original Message-
Thomas F
Sent: Monday, January 28, 2002 5:31 AM
To: Multiple recipients of list ORACLE-L


Traci,

Yes, you can skip backing up the TEMP tablespaces, and as Kirti suggested,
and have instructions in your recovery manual on how to rebuild the
tablespace when you are going thru a recovery.

In my humble opinion, I would not do this.  It's kinda like using duct tape
to cover a crack in the window - it works, but its really not right.

Do you really want to be in the position of performing "extra" recovery
steps just to save yourself some time during backups?  Why stop at backing
up the TEMP tablespace - why not the ROLLBACK tablespace - this could be
dropped and re-created also.  Why not INDEX tablespaces - heck, if you have
the scripts, these could be re-created too!

My point (as a professional DBA) is that, backups should be intact so that
you can recover easily without having to do "extra work".  It is really one
less thing to remember and have to worry about.

If your real issue is that you cannot perform your backup in the time
allotted, or that you need more disk space to perform your backup, you
should either investigate Rman (as Jared suggested), or buy more disk - both
should be considered the "cost of doing business".  I am a strong proponent
of Rman - it solves MANY backup and recovery problems.

Hope this helps!

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Saturday, January 26, 2002 10:40 AM
To: Multiple recipients of list ORACLE-L



I was wondering if anyone could offer any suggestions to this issue, or the
pro's and con's...

We are trying to shorten the time frame that it takes to complete our
Oracle hot backups, and the subsequent file copies to tape.  I have read
that it is ok to skip the TEMP tablespace, and then do an off-line drop of
the datafile(s) in the temporary tablespace, drop the tablespace, and then
recreate it.

Our temporary tablespaces are 900mb, and they take a chunk of the total
time it takes to complete the hot backups.  Are there any issues or
ramifications of not including that tablespace in the event of a recovery?
It seems to me that it would be much quicker to re-create that tablespace
if needed.

Any suggestions are greatly appreciated.

Traci Rebman
Oracle Database Administrator
R.R. Donnelley & Sons - Financial Division
Lancaster, PA

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RE: Hot backup and TEMP tablespace

2002-01-28 Thread Jeremiah Wilton

On Mon, 28 Jan 2002, Mercadante, Thomas F wrote:

> Do you really want to be in the position of performing "extra"
> recovery steps just to save yourself some time during backups?  Why
> stop at backing up the TEMP tablespace - why not the ROLLBACK
> tablespace - this could be dropped and re-created also...

You can't skip the tablespaces containing active rollback segments.
You need them to roll back transactions that were uncommitted as of
the time up to which you want to recover your database.

> My point (as a professional DBA) is that, backups should be intact so that
> you can recover easily without having to do "extra work".  It is really one
> less thing to remember and have to worry about.

If well documented and/or automated, I say that it is a legitimate way
to save resources, especially if there is a very large temporary
tablespace, especially if the majority of users are not big sorters.
You could create a small (1Gb) temp tablespace right after opening the
recovered dtabase, then assign all users to it.  Meanwhile, you can
create a large temporary tablespace and assign any large sorters to
that when it gets done.

I think skipping TEMPORARY tablespaces is a good idea if you iron out
the recovery steps.  It really isn't complicated or much extra work.

You also mentioned skipping indexes in your backups, as though it were
an unreasonable thing to do.  I think that's a good idea too, if
someone deems it appropriate and managable.  I guess you'd have to
dump the DDL for all indexes with every backup, and you'd have to
veryify it is actually faster to rebuild them than to restore.

RMAN solves problems like disk space and backing up free space, and is
a great utility.  But is the cost of implementation worth it, if the
original poster is going to successfully buy a couple years with the
existing system, just by skipping TEMP?

--
Jeremiah Wilton
http://www.speakeasy.net/~jwilton

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RE: Hot backup and TEMP tablespace

2002-01-28 Thread Kimberly Smith

If you are using a temp tablespace with a temp file you really are not
suppose to back it up.  This comes from Oracle, not folks trying to save
time.  You cannot put them into backup mode so how do you recommend backing
them up?

-Original Message-
Thomas F
Sent: Monday, January 28, 2002 5:31 AM
To: Multiple recipients of list ORACLE-L


Traci,

Yes, you can skip backing up the TEMP tablespaces, and as Kirti suggested,
and have instructions in your recovery manual on how to rebuild the
tablespace when you are going thru a recovery.

In my humble opinion, I would not do this.  It's kinda like using duct tape
to cover a crack in the window - it works, but its really not right.

Do you really want to be in the position of performing "extra" recovery
steps just to save yourself some time during backups?  Why stop at backing
up the TEMP tablespace - why not the ROLLBACK tablespace - this could be
dropped and re-created also.  Why not INDEX tablespaces - heck, if you have
the scripts, these could be re-created too!

My point (as a professional DBA) is that, backups should be intact so that
you can recover easily without having to do "extra work".  It is really one
less thing to remember and have to worry about.

If your real issue is that you cannot perform your backup in the time
allotted, or that you need more disk space to perform your backup, you
should either investigate Rman (as Jared suggested), or buy more disk - both
should be considered the "cost of doing business".  I am a strong proponent
of Rman - it solves MANY backup and recovery problems.

Hope this helps!

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Saturday, January 26, 2002 10:40 AM
To: Multiple recipients of list ORACLE-L



I was wondering if anyone could offer any suggestions to this issue, or the
pro's and con's...

We are trying to shorten the time frame that it takes to complete our
Oracle hot backups, and the subsequent file copies to tape.  I have read
that it is ok to skip the TEMP tablespace, and then do an off-line drop of
the datafile(s) in the temporary tablespace, drop the tablespace, and then
recreate it.

Our temporary tablespaces are 900mb, and they take a chunk of the total
time it takes to complete the hot backups.  Are there any issues or
ramifications of not including that tablespace in the event of a recovery?
It seems to me that it would be much quicker to re-create that tablespace
if needed.

Any suggestions are greatly appreciated.

Traci Rebman
Oracle Database Administrator
R.R. Donnelley & Sons - Financial Division
Lancaster, PA

--
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RE: Hot backup and TEMP tablespace

2002-01-28 Thread Mercadante, Thomas F

Traci,

Yes, you can skip backing up the TEMP tablespaces, and as Kirti suggested,
and have instructions in your recovery manual on how to rebuild the
tablespace when you are going thru a recovery.

In my humble opinion, I would not do this.  It's kinda like using duct tape
to cover a crack in the window - it works, but its really not right.

Do you really want to be in the position of performing "extra" recovery
steps just to save yourself some time during backups?  Why stop at backing
up the TEMP tablespace - why not the ROLLBACK tablespace - this could be
dropped and re-created also.  Why not INDEX tablespaces - heck, if you have
the scripts, these could be re-created too!

My point (as a professional DBA) is that, backups should be intact so that
you can recover easily without having to do "extra work".  It is really one
less thing to remember and have to worry about.

If your real issue is that you cannot perform your backup in the time
allotted, or that you need more disk space to perform your backup, you
should either investigate Rman (as Jared suggested), or buy more disk - both
should be considered the "cost of doing business".  I am a strong proponent
of Rman - it solves MANY backup and recovery problems.

Hope this helps!

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Saturday, January 26, 2002 10:40 AM
To: Multiple recipients of list ORACLE-L



I was wondering if anyone could offer any suggestions to this issue, or the
pro's and con's...

We are trying to shorten the time frame that it takes to complete our
Oracle hot backups, and the subsequent file copies to tape.  I have read
that it is ok to skip the TEMP tablespace, and then do an off-line drop of
the datafile(s) in the temporary tablespace, drop the tablespace, and then
recreate it.

Our temporary tablespaces are 900mb, and they take a chunk of the total
time it takes to complete the hot backups.  Are there any issues or
ramifications of not including that tablespace in the event of a recovery?
It seems to me that it would be much quicker to re-create that tablespace
if needed.

Any suggestions are greatly appreciated.

Traci Rebman
Oracle Database Administrator
R.R. Donnelley & Sons - Financial Division
Lancaster, PA

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Author: 
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also send the HELP command for other information (like subscribing).



Re: Hot backup and TEMP tablespace

2002-01-27 Thread Greg Moore

> TEMPFILEs and TEMPORARY tablespace

Saving time during backup is nice.  But when your database goes down, all of
a sudden the time it takes to get it back up becomes real important.
Everybody is calling you to ask, "How long until the database is back up?"

Using true temporary tablespaces and tempfiles means you can skip backing up
the temp tablespace, and when you need to recover it you can recreate the
temp tablespace fast.  Otherwise, recreating it can take a long time,
meaning the time to recover a crashed database may take longer.

Check Jonathan Lewis's book (Practical Oracle 8i) -- he covers this well in
his chapter on temp tablespaces.  You'll may also want a simple script
available to create the temp tablespace, so you won't have to write it
during a recovery, and you'll probably want to practice on a test database.
It would be nice to document this too in a DBA notebook -- if you leave, a
new DBA who has to recover the database may be puzzled to find the backup is
"incomplete," they may not know how to create a temp tablespace quickly,
etc.




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Re: Hot backup and TEMP tablespace

2002-01-26 Thread Jared Still


Using RMAN will reduce your backup time, as it only
backs up used blocks.  It also takes less space.

Jared

On Saturday 26 January 2002 07:40, [EMAIL PROTECTED] wrote:
> I was wondering if anyone could offer any suggestions to this issue, or the
> pro's and con's...
>
> We are trying to shorten the time frame that it takes to complete our
> Oracle hot backups, and the subsequent file copies to tape.  I have read
> that it is ok to skip the TEMP tablespace, and then do an off-line drop of
> the datafile(s) in the temporary tablespace, drop the tablespace, and then
> recreate it.
>
> Our temporary tablespaces are 900mb, and they take a chunk of the total
> time it takes to complete the hot backups.  Are there any issues or
> ramifications of not including that tablespace in the event of a recovery?
> It seems to me that it would be much quicker to re-create that tablespace
> if needed.
>
> Any suggestions are greatly appreciated.
>
> Traci Rebman
> Oracle Database Administrator
> R.R. Donnelley & Sons - Financial Division
> Lancaster, PA
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RE: Hot backup and TEMP tablespace

2002-01-26 Thread Deshpande, Kirti

You are right. 

Excluding TEMP tablespace from hot backups is not a problem at all. 

Your in-house instructions/docs about recovering the database should spell
out what to do after performaing the recovery. 

Also if your version of Oracle supports the TEMPFILEs and TEMPORARY
tablespaces, consider those for TEMP tablespaces. Please refer to Note#
160426.1 on Metalink for details.

- Kirti 

-Original Message-
Sent: Saturday, January 26, 2002 9:40 AM
To: Multiple recipients of list ORACLE-L



I was wondering if anyone could offer any suggestions to this issue, or the
pro's and con's...

We are trying to shorten the time frame that it takes to complete our
Oracle hot backups, and the subsequent file copies to tape.  I have read
that it is ok to skip the TEMP tablespace, and then do an off-line drop of
the datafile(s) in the temporary tablespace, drop the tablespace, and then
recreate it.

Our temporary tablespaces are 900mb, and they take a chunk of the total
time it takes to complete the hot backups.  Are there any issues or
ramifications of not including that tablespace in the event of a recovery?
It seems to me that it would be much quicker to re-create that tablespace
if needed.

Any suggestions are greatly appreciated.

Traci Rebman
Oracle Database Administrator
R.R. Donnelley & Sons - Financial Division
Lancaster, PA

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Hot backup and TEMP tablespace

2002-01-26 Thread traci . l . rebman


I was wondering if anyone could offer any suggestions to this issue, or the
pro's and con's...

We are trying to shorten the time frame that it takes to complete our
Oracle hot backups, and the subsequent file copies to tape.  I have read
that it is ok to skip the TEMP tablespace, and then do an off-line drop of
the datafile(s) in the temporary tablespace, drop the tablespace, and then
recreate it.

Our temporary tablespaces are 900mb, and they take a chunk of the total
time it takes to complete the hot backups.  Are there any issues or
ramifications of not including that tablespace in the event of a recovery?
It seems to me that it would be much quicker to re-create that tablespace
if needed.

Any suggestions are greatly appreciated.

Traci Rebman
Oracle Database Administrator
R.R. Donnelley & Sons - Financial Division
Lancaster, PA

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Re: Convert TEMP tablespace to LMT?

2001-12-13 Thread Connor McDonald

The creation of the new tablespace (using a tempfile)
will be virtually instantaneous - so what will matter
is the time to drop the original one.  You could
probably get away with drop-then-create, but your
latter option is probably the safest.

hth
connor

 --- David Wagoner <[EMAIL PROTECTED]>
wrote: > What is the best way to convert a
dictionary-managed
> TEMP tablespace to
> locally managed?
>  
> Here's my situation, I created an 8.1.7 database
> with all dictionary-managed
> tablespaces.  Then, I converted all tablespaces to
> locally managed, except
> SYSTEM and TEMP.  The conversion packaged refused to
> convert TEMP to LMT so
> it seems that I must drop the TEMP tablespace and
> re-create it as LMT.  My
> question is, do I need to create an intermediate,
> like TEMP2, and point
> everything to it while I'm dropping and re-creating
> TEMP?
>  
> Thanks for your advice,
>  
>  
> david
>  
> David B. Wagoner
> Database Administrator
> Arsenal Digital Solutions Worldwide Inc.
> 4815 Emperor Blvd., Suite 110
> Durham, NC 27703
> Tel. (919) 941-4645
> Fax (919) 474-0735
> Email  <mailto:[EMAIL PROTECTED]>
> mailto:[EMAIL PROTECTED]
> Web  <http://www.arsenaldigital.com/>
> http://www.arsenaldigital.com/
>  
>  
> ***  NOTICE  ***
> This e-mail message is confidential, intended only
> for the named
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> law.  If you have
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> immediately notify the sender at (919) 941-4645 and
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>  

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Re: Convert TEMP tablespace to LMT?

2001-12-13 Thread Christian Trassens

Should be created as temporary locally managed issuing
the stmt:

create temporary tablespace temp2
tempfile ..
extent management local..

After that, drop the other one.

Regards.


--- David Wagoner <[EMAIL PROTECTED]> wrote:
> What is the best way to convert a dictionary-managed
> TEMP tablespace to
> locally managed?
>  
> Here's my situation, I created an 8.1.7 database
> with all dictionary-managed
> tablespaces.  Then, I converted all tablespaces to
> locally managed, except
> SYSTEM and TEMP.  The conversion packaged refused to
> convert TEMP to LMT so
> it seems that I must drop the TEMP tablespace and
> re-create it as LMT.  My
> question is, do I need to create an intermediate,
> like TEMP2, and point
> everything to it while I'm dropping and re-creating
> TEMP?
>  
> Thanks for your advice,
>  
>  
> david
>  
> David B. Wagoner
> Database Administrator
> Arsenal Digital Solutions Worldwide Inc.
> 4815 Emperor Blvd., Suite 110
> Durham, NC 27703
> Tel. (919) 941-4645
> Fax (919) 474-0735
> Email  <mailto:[EMAIL PROTECTED]>
> mailto:[EMAIL PROTECTED]
> Web  <http://www.arsenaldigital.com/>
> http://www.arsenaldigital.com/
>  
>  
> ***  NOTICE  ***
> This e-mail message is confidential, intended only
> for the named
> recipient(s) above and may contain information that
> is privileged, work
> product or exempt from disclosure under applicable
> law.  If you have
> received this message in error, or are not the named
> recipient(s), please
> immediately notify the sender at (919) 941-4645 and
> delete this e-mail
> message from your computer.  Thank you.
>  
> 


=
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Senior DBA
[EMAIL PROTECTED]
[EMAIL PROTECTED]
Phone : +34-699240979
+34-649824704

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Convert TEMP tablespace to LMT?

2001-12-13 Thread David Wagoner








What is the best way to convert a dictionary-managed TEMP tablespace to
locally managed?

 

Here’s my situation, I created an 8.1.7 database with all
dictionary-managed tablespaces. 
Then, I converted all tablespaces to locally managed, except SYSTEM and
TEMP.  The conversion packaged
refused to convert TEMP to LMT so it seems that I must drop the TEMP tablespace
and re-create it as LMT.  My
question is, do I need to create an intermediate, like TEMP2, and point everything
to it while I’m dropping and re-creating TEMP?

 

Thanks for your advice,

 

 

david

 

David B. Wagoner

Database Administrator

Arsenal Digital Solutions Worldwide Inc.

4815 Emperor
Blvd., Suite 110

Durham, NC
27703

Tel. (919)
941-4645

Fax (919)
474-0735

Email mailto:[EMAIL PROTECTED]

Web http://www.arsenaldigital.com/

 

 
***  NOTICE  ***

This e-mail
message is confidential, intended only for the named recipient(s) above and may
contain information that is privileged, work product or exempt from disclosure
under applicable law.  If you have
received this message in error, or are not the named recipient(s), please
immediately notify the sender at (919) 941-4645 and delete this e-mail message
from your computer.  Thank you.

 








RE: TEMP Tablespace Problem

2001-12-11 Thread DENNIS WILLIAMS

Ken - I assume you dropped the TEMP tablespace, which doesn't delete the
datafile. I'm assuming you are on Unix. Just remove the data file and
recreate the TEMP tablespace the same way as you originally did. I believe
that the temp tablespace settings for all users will be unaffected, but you
might check one or two to make sure.
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED]


-Original Message-
Sent: Tuesday, December 11, 2001 9:50 AM
To: Multiple recipients of list ORACLE-L


Somehow I deleted the TEMP tablespace but not the datafile.  How do I go
about recreating this tablespace?

Thanks,
Ken Janusz, CPIM 
Database Conversion 
Lead Sufficient System, Inc.  
Minneapolis, MN

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Re: TEMP Tablespace Problem

2001-12-11 Thread tday6

Use the REUSE option on the CREATE TABLESPACE command.


   

Ken Janusz 

 <[EMAIL PROTECTED]>

Sent by: rootcc:   

 Subject:     TEMP Tablespace Problem  

   

12/11/2001 

10:50 AM   

Please 

respond to 

ORACLE-L   

   

   





Somehow I deleted the TEMP tablespace but not the datafile.  How do I go
about recreating this tablespace?

Thanks,
Ken Janusz, CPIM
Database Conversion
Lead Sufficient System, Inc.
Minneapolis, MN

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Re: TEMP Tablespace Problem

2001-12-11 Thread Stefan Jahnke

Hi

Assuming that you actually use the TEMP tablespace as a real "temp"
tablespace and didn't put any actual data in it, you can just go ahead
recreate it by reusing the old datafile. 



Ken Janusz schrieb:
> 
> Somehow I deleted the TEMP tablespace but not the datafile.  How do I go
> about recreating this tablespace?
> 
> Thanks,
> Ken Janusz, CPIM
> Database Conversion
> Lead Sufficient System, Inc.
> Minneapolis, MN
> 
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
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TEMP Tablespace Problem

2001-12-11 Thread Ken Janusz

Somehow I deleted the TEMP tablespace but not the datafile.  How do I go
about recreating this tablespace?

Thanks,
Ken Janusz, CPIM 
Database Conversion 
Lead Sufficient System, Inc.  
Minneapolis, MN

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RE: rollback for temp tablespace

2001-12-05 Thread K Gopalakrishnan

Definitely. Unless you say NOLOGGING or UNRECOVERABLE (depending on the
versions).  But data dictionary changes are always logged irrespective of
logging mode.

Best Regards,
K Gopalakrishnan


-Original Message-
Shrinivas (MED, Keane)
Sent: Wednesday, December 05, 2001 2:30 AM
To: Multiple recipients of list ORACLE-L

By the way

Does this process (rebuilding of indexes) generate redo?

Srinivas

-Original Message-
Sent: Wednesday, December 05, 2001 6:30 AM
To: Multiple recipients of list ORACLE-L


They do use some rollback but not the volumes you'd
typically need to worry about.  The rollback space is
for mods to the data dictionary as your segments are
created.

hth
connor

 --- "Tatireddy, Shrinivas (MED, Keane)"
<[EMAIL PROTECTED]> wrote: > Hi lists,
>
>
> Can anybody clarify this:
>
> Do the sort/idx rebuild  etc.,(tasks that use temp
> tablespace),  use
> rollback segments?
>
> I need to rebuild indexes of 20 Gig to a new
> tablespace.
>
> Do I need to verify the RBS free space for this.?
>
> Thnx and Regards,
>
> Srinivas
>
> --
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> --
> Author: Tatireddy, Shrinivas (MED, Keane)
>   INET: [EMAIL PROTECTED]
>
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RE: rollback for temp tablespace

2001-12-05 Thread Tatireddy, Shrinivas (MED, Keane)

By the way

Does this process (rebuilding of indexes) generate redo?

Srinivas

-Original Message-
Sent: Wednesday, December 05, 2001 6:30 AM
To: Multiple recipients of list ORACLE-L


They do use some rollback but not the volumes you'd
typically need to worry about.  The rollback space is
for mods to the data dictionary as your segments are
created.  

hth
connor

 --- "Tatireddy, Shrinivas (MED, Keane)"
<[EMAIL PROTECTED]> wrote: > Hi lists,
> 
> 
> Can anybody clarify this:
> 
> Do the sort/idx rebuild  etc.,(tasks that use temp
> tablespace),  use
> rollback segments?
> 
> I need to rebuild indexes of 20 Gig to a new
> tablespace.
> 
> Do I need to verify the RBS free space for this.?
> 
> Thnx and Regards,
> 
> Srinivas
> 
> -- 
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> -- 
> Author: Tatireddy, Shrinivas (MED, Keane)
>   INET: [EMAIL PROTECTED]
> 
> Fat City Network Services-- (858) 538-5051  FAX:
> (858) 538-5051
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> access / Mailing Lists
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Re: rollback for temp tablespace

2001-12-05 Thread Connor McDonald

They do use some rollback but not the volumes you'd
typically need to worry about.  The rollback space is
for mods to the data dictionary as your segments are
created.  

hth
connor

 --- "Tatireddy, Shrinivas (MED, Keane)"
<[EMAIL PROTECTED]> wrote: > Hi lists,
> 
> 
> Can anybody clarify this:
> 
> Do the sort/idx rebuild  etc.,(tasks that use temp
> tablespace),  use
> rollback segments?
> 
> I need to rebuild indexes of 20 Gig to a new
> tablespace.
> 
> Do I need to verify the RBS free space for this.?
> 
> Thnx and Regards,
> 
> Srinivas
> 
> -- 
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
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rollback for temp tablespace

2001-12-05 Thread Tatireddy, Shrinivas (MED, Keane)

Hi lists,


Can anybody clarify this:

Do the sort/idx rebuild  etc.,(tasks that use temp tablespace),  use
rollback segments?

I need to rebuild indexes of 20 Gig to a new tablespace.

Do I need to verify the RBS free space for this.?

Thnx and Regards,

Srinivas

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Re: Question - Oracle's "TEMP" tablespace and a user's "temporary

2001-10-19 Thread Don Granaman

Well... Again - "sort of".  Temporary segments for "normal" stuff
(e.g. SQL "order by", joins, etc.) will occur in USER_TEMP.  Sorts for
segment operations, parallel index builds and the like, may occur
elsewhere.

-Don Granaman
(OraSaurus - Honk if you remember OPS ;-)

- Original Message -
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Wednesday, October 17, 2001 1:18 PM
"temporary


> Don;
> Thanks very much for your reply.  All very understandable.  However,
let me
> ask a direct question; does this mean that, given a user having been
> explicitly assigned a temporary tablespace (ie. USER_TEMP), that all
of that
> user's sorts and temporary segments will occur in the assigned
(USER_TEMP)
> tablespace and nowhere else.
>
> Thanks again.
>
> Michael L. Petrus
> GE Auto Warranty Services
> 7125 W. Jefferson Av. #200
> Lakewood, CO 80235
>
> Database Administrator
>
> Phone: (303) 987 4129
> Fax: (303) 987 4298
> Email:   [EMAIL PROTECTED]
>
>
> -Original Message-
> Sent: Wednesday, October 17, 2001 1:40 AM
> To: Multiple recipients of list ORACLE-L
> "temporary" ta
>
>
> Not exactly...
>
> "TEMP" is an arbitrary (but logical, recommended, and OFA compliant)
> name for a tablespace.  It could just  as well be named "GEORGE" for
> all that $ORACLE_HOME/bin/oracle or any of its kin care.
>
> "TEMPORARY_TABLESPACE" is an attribute of a user.  (i.e. select
> TEMPORARY_TABLESPACE from ALL_USERS;" or from SYS.DBA_USERS).  All
> users (including SYS and SYSTEM) are either implicitly or explicitly
> assigned a temporary tablespace.  Unfortunately, it defaults to the
> worst possible choice -SYSTEM!  Typically, users are explicitly
> assigned TEMP as their temporary tablespace.  ["Oracle" (AKA: sys)
> doesn't usually do much that requires a lot of temporary space.]
>
> The vast majority of Oracle databases have only one such tablespace,
> but (logically) partitioning users among multiple such tablespaces
> (TEMP01, TEMP02, ...) is sometimes advisable.  Making TEMP (and its
> ilk) truly "TEMPORARY" (as opposed to PERMANENT) is always
advisable.
>
> -Don Granaman
> (OraSaurus - Honk if you remember OPS ;-)
>
> - Original Message -
> To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
> Sent: Tuesday, October 16, 2001 5:15 PM
> "temporary" ta
>
>
> > Environment:
> > Oracle v8.1.7
> > Sun / Solaris
> >
>
==
> ==
> > 
> > Can someone explain what activities occur in Oracle's "TEMP"
> tablespace as
> > opposed to what occurs in a user's assigned "TEMPORARY"
tablespace?
> >
> > It is my assumption that Oracle's "TEMP" tablespace is the area
used
> by
> > Oracle for it's processes to sort in.
> >
> > It is also my assumption that the user specific "TEMPORARY"
> tablespace is
> > used to hold temporary segments that are created when the user
> builds an
> > index or creates a table, etc..
> >
> > If I am off base please set me straight.
> >
> > Thanks in advance.
> >
> > Michael L. Petrus
> > GE Auto Warranty Services
> > 7125 W. Jefferson Av. #200
> > Lakewood, CO 80235
> >
> > Database Administrator
> >
> > Phone: (303) 987 4129
> > Fax: (303) 987 4298
> > Email:   [EMAIL PROTECTED]
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Don Granaman
>   INET: [EMAIL PROTECTED]
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RE: TEMP Tablespace

2001-09-25 Thread Jacques Kilchoer
Title: RE: TEMP Tablespace





> -Original Message-
> From: Connie Milliken [mailto:[EMAIL PROTECTED]]
> 
> TEMP tablespace is not listed when I query dba_segments.  However, it
> does show up in OEM and
> through OEM it does appear to be online.  Yesterday, I 
> briefly took the
> TEMP tablespace offline and then back online again to make sure it was
> completely cleared out (did not appear to be any active 
> sessions in the
> database at the time).  Have also bounced the database.  Any ideas on
> why it still would not be showing up when querying dba_segments?



Is this a temporary tablespace that's locally managed with a temporary file?
i.e. are the datafiles for that tablespace shown in dba_temp_files instead of dba_data_files?
In that case, I don't think you'll see anything in the dba_segments view, but you would have to look at views like v$temp_space_header and v$temp_extent_map.




RE: TEMP Tablespace

2001-09-25 Thread Koivu, Lisa
Title: RE: TEMP Tablespace





Hi Connie, 


Because there isn't anything stored in there (a segment) permanently.   But when I look at my db (well, my horsing-around-and-breaking-stuff db) I see this.  My temp tablespace is not permanent.

  1  select segment_name from dba_segments
  2* where segment_Type = 'TEMPORARY'
(VIKING-SYSTEM)>/


SEGMENT_NAME
--
4.13234


What on earth is that?  Seems useless to me.   If I want to know what's going on in temp, I look at dba_tablespaces and dba_free_space.  Correct me if I'm wrong... 

Why did you clear out your temp?  


Lisa Koivu
Oracle Database Administrator
Fairfield Resorts, Inc.
954-935-4117



-Original Message-
From:   Connie Milliken [SMTP:[EMAIL PROTECTED]]
Sent:   Tuesday, September 25, 2001 11:10 AM
To: Multiple recipients of list ORACLE-L
Subject:    TEMP Tablespace


TEMP tablespace is not listed when I query dba_segments.  However, it
does show up in OEM and
through OEM it does appear to be online.  Yesterday, I briefly took the
TEMP tablespace offline and then back online again to make sure it was
completely cleared out (did not appear to be any active sessions in the
database at the time).  Have also bounced the database.  Any ideas on
why it still would not be showing up when querying dba_segments?


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Re: TEMP Tablespace

2001-09-25 Thread Ruth Gramolini

What tablespace are the temp segments showing up in?  It may not be in TEMP.


HTH,
Ruth
- Original Message -
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Tuesday, September 25, 2001 11:10 AM


> TEMP tablespace is not listed when I query dba_segments.  However, it
> does show up in OEM and
> through OEM it does appear to be online.  Yesterday, I briefly took the
> TEMP tablespace offline and then back online again to make sure it was
> completely cleared out (did not appear to be any active sessions in the
> database at the time).  Have also bounced the database.  Any ideas on
> why it still would not be showing up when querying dba_segments?
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Connie Milliken
>   INET: [EMAIL PROTECTED]
>
> Fat City Network Services-- (858) 538-5051  FAX: (858) 538-5051
> San Diego, California-- Public Internet access / Mailing Lists
> 
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> also send the HELP command for other information (like subscribing).

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RE: TEMP Tablespace

2001-09-25 Thread Kimberly Smith

How was your TEMP tablespace created?  Was it created using 
a temp datafile?  Not all information that is normally available
with tablespaces are valid when using a temporary tablespace
with a temporary datafile.

-Original Message-
Sent: Tuesday, September 25, 2001 8:10 AM
To: Multiple recipients of list ORACLE-L


TEMP tablespace is not listed when I query dba_segments.  However, it
does show up in OEM and
through OEM it does appear to be online.  Yesterday, I briefly took the
TEMP tablespace offline and then back online again to make sure it was
completely cleared out (did not appear to be any active sessions in the
database at the time).  Have also bounced the database.  Any ideas on
why it still would not be showing up when querying dba_segments?

-- 
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-- 
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RE: TEMP Tablespace

2001-09-25 Thread Nicoll, Iain (Calanais)

Wouldn't it need to have something in it?

-Original Message-
Sent: 25 September 2001 16:10
To: Multiple recipients of list ORACLE-L


TEMP tablespace is not listed when I query dba_segments.  However, it
does show up in OEM and
through OEM it does appear to be online.  Yesterday, I briefly took the
TEMP tablespace offline and then back online again to make sure it was
completely cleared out (did not appear to be any active sessions in the
database at the time).  Have also bounced the database.  Any ideas on
why it still would not be showing up when querying dba_segments?

-- 
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-- 
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TEMP Tablespace

2001-09-25 Thread Connie Milliken

TEMP tablespace is not listed when I query dba_segments.  However, it
does show up in OEM and
through OEM it does appear to be online.  Yesterday, I briefly took the
TEMP tablespace offline and then back online again to make sure it was
completely cleared out (did not appear to be any active sessions in the
database at the time).  Have also bounced the database.  Any ideas on
why it still would not be showing up when querying dba_segments?

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Connie Milliken
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Re: Disk config. for datafiles of Temp Tablespace

2001-08-14 Thread Mohammad Rafiq

What about mount point on same controller? Split them on different 
controller if not ? What is the maximum usage of your TEMP tablespace ? and 
size of datafiles...? Try to reduce size of your temp tablespace as it looks 
very large
Better solution is
Datfiles of 501MB each split on different mount points configured with 
different contollers...Please also check for such querries resulting in 
Cartesian Joins resulting lot of IO's and temp usage...
Regards

MOHAMMAD RAFIQ



Reply-To: [EMAIL PROTECTED]
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
Date: Tue, 14 Aug 2001 07:56:46 -0800


Hi All,

We have data warehouse which uses arround 34 GB of
temporary tablespace. The datafiles for this are
tempfiles  and the tablespace is LMT.

We use EMC storage.
The tempfiles are on two file systems which inturn are
mirrored and striped across three 8 GB disks.

We are seeing heavy IO on these files and Our direct
path write waits are high.

Could you guys suggest a better file layout of disk
configuration?


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Disk config. for datafiles of Temp Tablespace

2001-08-14 Thread Johnson Poovathummoottil


Hi All,

We have data warehouse which uses arround 34 GB of
temporary tablespace. The datafiles for this are
tempfiles  and the tablespace is LMT.

We use EMC storage.
The tempfiles are on two file systems which inturn are
mirrored and striped across three 8 GB disks.

We are seeing heavy IO on these files and Our direct
path write waits are high.

Could you guys suggest a better file layout of disk
configuration?
 

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