Re: Change PCTINCREAE for SYSTEM Tablespace

2001-12-17 Thread Edward Shevtsov

Ken,

AFAIK 50 is default PCTINCREASE for SYSTEM. I believe there are no reasons to change 
it for SYSTEM.
What's your goal? Do you want to decrease total size of the tablespace by setting 
PCTINCREASE a bit
less?

Regards,
Ed
Oracle8,8i Certified DBA and  Zivanologist
> Is there any way that I can change the PCTINCREASE for the SYSTEM tablespace
> without recreating the DB?  For some reason the person who created the DB I
> am working on set PCTINCREASE to 50 (or didn't did not include this
> parameter).I am using this DB for a data conversion so there is no
> software connected to it and in turn no users on it.
>


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RE: Change PCTINCREAE for SYSTEM Tablespace

2001-12-17 Thread Mercadante, Thomas F

Ken,

Do yourself a favor.  Ignore the SYSTEM tablespace storage params.  The ONLY
thing you should concern yourself in regard with the SYSTEM tablespace is if
the file needs to extend itself because it is too full.  All other storage
parameters are created by Oracle at database create time and should not be
changed.

For other tablespaces, you can change this parameter anytime after the
tablespace has been created.  It will not, however, change existing extents,
but will be used when new extents are allocated.

Hope this helps.

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Monday, December 17, 2001 10:16 AM
To: Multiple recipients of list ORACLE-L


Is there any way that I can change the PCTINCREASE for the SYSTEM tablespace
without recreating the DB?  For some reason the person who created the DB I
am working on set PCTINCREASE to 50 (or didn't did not include this
parameter).I am using this DB for a data conversion so there is no
software connected to it and in turn no users on it.

Thanks,
Ken Janusz, CPIM
Database Conversion Lead
Sufficient Systems, Inc.
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-- 
Author: Ken Janusz
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Re: Change PCTINCREAE for SYSTEM Tablespace

2001-12-17 Thread Dan Whatley

Hi Ken,

If no one has told you yet, all you have to do is 
to use the "alter tablespace" command, for example:

alter tablespace system default storage (pctincrease 0);

select tablespace_name, pct_increase from dba_tablespaces
where tablespace_name='SYSTEM';

You shouldn't need to rebuild your database, (e.g. your
control files) to reset this tablespace storage parameter.
Hope this resolves your problem for you there.

Dan Whatley
Sr. Oracle DBA
Motorola, Inc.
Global Information Systems
7700 W. Parmer Ln.
Austin, Tx   78729


Ken Janusz wrote:
> 
> Is there any way that I can change the PCTINCREASE for the SYSTEM tablespace
> without recreating the DB?  For some reason the person who created the DB I
> am working on set PCTINCREASE to 50 (or didn't did not include this
> parameter).I am using this DB for a data conversion so there is no
> software connected to it and in turn no users on it.
> 
> Thanks,
> Ken Janusz, CPIM
> Database Conversion Lead
> Sufficient Systems, Inc.
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Ken Janusz
>   INET: [EMAIL PROTECTED]
> 
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Re: Change PCTINCREAE for SYSTEM Tablespace

2001-12-17 Thread Yosi Greenfield

Ken,

The system tablespace is created in the file sql.bsq, which should be found in
%ORACLE_HOME%\rdbms\admin. Create tablespace system is the first
statement in the file.

However, before you touch that file, you MUST read Steve's article at
http://www.ixora.com.au/tips/creation/bsq.htm.

Two points he makes: 1 - Don't edit sql.bsq, make a copy and edit and
use the copy, 2- leave the defaults alone, and set a minimum extent of 64k
on the system ts.

Really, read the page before you do it.

HTH,

Yosi


Ken Janusz wrote:

> Is there any way that I can change the PCTINCREASE for the SYSTEM tablespace
> without recreating the DB?  For some reason the person who created the DB I
> am working on set PCTINCREASE to 50 (or didn't did not include this
> parameter).I am using this DB for a data conversion so there is no
> software connected to it and in turn no users on it.
>
> Thanks,
> Ken Janusz, CPIM
> Database Conversion Lead
> Sufficient Systems, Inc.
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Ken Janusz
>   INET: [EMAIL PROTECTED]
>
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> also send the HELP command for other information (like subscribing).

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RE: Change PCTINCREAE for SYSTEM Tablespace

2001-12-17 Thread Ken Janusz

I left the SYSTEM tablespace alone.  I did change the PCTINCREASE parameter
to 0 in all the tables in the applications.

Ken


 -Original Message-
Sent:   Monday, December 17, 2001 9:51 AM
To: Multiple recipients of list ORACLE-L
Subject:RE: Change PCTINCREAE for SYSTEM Tablespace

Ken:
  You can change the default PCTINCREASE for new objects in the SYSTEM
Tablespace, or you can change the PCTINCREASE for each object.  

   When the database is created the PCTINCREASE is set to 50% so that the
database would have sufficient room to allocate objects.  There is no other
way, that will allow you to keep your Oracle support in tact, to change this
value.

Thank You

Stephen P. Karniotis
Technical Alliance Manager
Compuware Corporation
Direct: (248) 865-4350
Mobile: (248) 408-2918
Email:  [EMAIL PROTECTED]
Web:www.compuware.com


 -Original Message-
Sent:   Monday, December 17, 2001 10:16 AM
To: Multiple recipients of list ORACLE-L
Subject:Change PCTINCREAE for SYSTEM Tablespace

Is there any way that I can change the PCTINCREASE for the SYSTEM tablespace
without recreating the DB?  For some reason the person who created the DB I
am working on set PCTINCREASE to 50 (or didn't did not include this
parameter).I am using this DB for a data conversion so there is no
software connected to it and in turn no users on it.

Thanks,
Ken Janusz, CPIM
Database Conversion Lead
Sufficient Systems, Inc.
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Ken Janusz
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RE: Change PCTINCREAE for SYSTEM Tablespace

2001-12-17 Thread Kimberly Smith

Actually, I would not ignore the storage parameters of the SYSTEM
tablespace.
There are legit reasons to change the pctincrease to 0.  If you leave it at
50 then SMON (or PMON can't remember at the moment) will try to coalesce the
tablespace every time it wakes up.  Its work it has to do that it really
does
not need to do.  Better off scheduling to happen at your time schedule.

-Original Message-
Thomas F
Sent: Monday, December 17, 2001 7:45 AM
To: Multiple recipients of list ORACLE-L


Ken,

Do yourself a favor.  Ignore the SYSTEM tablespace storage params.  The ONLY
thing you should concern yourself in regard with the SYSTEM tablespace is if
the file needs to extend itself because it is too full.  All other storage
parameters are created by Oracle at database create time and should not be
changed.

For other tablespaces, you can change this parameter anytime after the
tablespace has been created.  It will not, however, change existing extents,
but will be used when new extents are allocated.

Hope this helps.

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Monday, December 17, 2001 10:16 AM
To: Multiple recipients of list ORACLE-L


Is there any way that I can change the PCTINCREASE for the SYSTEM tablespace
without recreating the DB?  For some reason the person who created the DB I
am working on set PCTINCREASE to 50 (or didn't did not include this
parameter).I am using this DB for a data conversion so there is no
software connected to it and in turn no users on it.

Thanks,
Ken Janusz, CPIM
Database Conversion Lead
Sufficient Systems, Inc.
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Ken Janusz
  INET: [EMAIL PROTECTED]

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RE: Change PCTINCREAE for SYSTEM Tablespace

2001-12-17 Thread Kimberly Smith

Can't stress enough how important those manuals are.  OK,
lets see, you are talking about a tablespace  You want
to modify that tablespace...  Hum, I might go look at the
alter tablespace command  Course I could just tell you
what you want to know but I really think you will learn more
by looking it up.

-Original Message-
Sent: Monday, December 17, 2001 7:16 AM
To: Multiple recipients of list ORACLE-L


Is there any way that I can change the PCTINCREASE for the SYSTEM tablespace
without recreating the DB?  For some reason the person who created the DB I
am working on set PCTINCREASE to 50 (or didn't did not include this
parameter).I am using this DB for a data conversion so there is no
software connected to it and in turn no users on it.

Thanks,
Ken Janusz, CPIM
Database Conversion Lead
Sufficient Systems, Inc.
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Ken Janusz
  INET: [EMAIL PROTECTED]

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RE: Change PCTINCREAE for SYSTEM Tablespace

2001-12-18 Thread Mercadante, Thomas F

Kimberly,

I would agree with you if an experienced DBA makes the decision to change
the storage parameters, and they absolutely know what the benfits would be.

Generally speaking though, I think changing anything in the SYSTEM
tablespace is bad practice.

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Monday, December 17, 2001 8:45 PM
To: Multiple recipients of list ORACLE-L


Actually, I would not ignore the storage parameters of the SYSTEM
tablespace.
There are legit reasons to change the pctincrease to 0.  If you leave it at
50 then SMON (or PMON can't remember at the moment) will try to coalesce the
tablespace every time it wakes up.  Its work it has to do that it really
does
not need to do.  Better off scheduling to happen at your time schedule.

-Original Message-
Thomas F
Sent: Monday, December 17, 2001 7:45 AM
To: Multiple recipients of list ORACLE-L


Ken,

Do yourself a favor.  Ignore the SYSTEM tablespace storage params.  The ONLY
thing you should concern yourself in regard with the SYSTEM tablespace is if
the file needs to extend itself because it is too full.  All other storage
parameters are created by Oracle at database create time and should not be
changed.

For other tablespaces, you can change this parameter anytime after the
tablespace has been created.  It will not, however, change existing extents,
but will be used when new extents are allocated.

Hope this helps.

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Monday, December 17, 2001 10:16 AM
To: Multiple recipients of list ORACLE-L


Is there any way that I can change the PCTINCREASE for the SYSTEM tablespace
without recreating the DB?  For some reason the person who created the DB I
am working on set PCTINCREASE to 50 (or didn't did not include this
parameter).I am using this DB for a data conversion so there is no
software connected to it and in turn no users on it.

Thanks,
Ken Janusz, CPIM
Database Conversion Lead
Sufficient Systems, Inc.
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Ken Janusz
  INET: [EMAIL PROTECTED]

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RE: Change PCTINCREAE for SYSTEM Tablespace

2001-12-18 Thread Ken Janusz

I agree, I am leaving the SYSTEM tablespace alone.  Hands off.

Ken

 -Original Message-
Sent:   Tuesday, December 18, 2001 7:30 AM
To: Multiple recipients of list ORACLE-L
Subject:RE: Change PCTINCREAE for SYSTEM Tablespace

Kimberly,

I would agree with you if an experienced DBA makes the decision to change
the storage parameters, and they absolutely know what the benfits would be.

Generally speaking though, I think changing anything in the SYSTEM
tablespace is bad practice.

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Monday, December 17, 2001 8:45 PM
To: Multiple recipients of list ORACLE-L


Actually, I would not ignore the storage parameters of the SYSTEM
tablespace.
There are legit reasons to change the pctincrease to 0.  If you leave it at
50 then SMON (or PMON can't remember at the moment) will try to coalesce the
tablespace every time it wakes up.  Its work it has to do that it really
does
not need to do.  Better off scheduling to happen at your time schedule.

-Original Message-
Thomas F
Sent: Monday, December 17, 2001 7:45 AM
To: Multiple recipients of list ORACLE-L


Ken,

Do yourself a favor.  Ignore the SYSTEM tablespace storage params.  The ONLY
thing you should concern yourself in regard with the SYSTEM tablespace is if
the file needs to extend itself because it is too full.  All other storage
parameters are created by Oracle at database create time and should not be
changed.

For other tablespaces, you can change this parameter anytime after the
tablespace has been created.  It will not, however, change existing extents,
but will be used when new extents are allocated.

Hope this helps.

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Monday, December 17, 2001 10:16 AM
To: Multiple recipients of list ORACLE-L


Is there any way that I can change the PCTINCREASE for the SYSTEM tablespace
without recreating the DB?  For some reason the person who created the DB I
am working on set PCTINCREASE to 50 (or didn't did not include this
parameter).I am using this DB for a data conversion so there is no
software connected to it and in turn no users on it.

Thanks,
Ken Janusz, CPIM
Database Conversion Lead
Sufficient Systems, Inc.
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Ken Janusz
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RE: Change PCTINCREAE for SYSTEM Tablespace

2001-12-18 Thread Kimberly Smith

I think even Oracle would disagree with you on that one.  While it
is unsupported to change anything in the sql.bsq script (except with
Trusted Oracle where its required to actually get it to create a database)
anything that
is changeable after the fact is fair game.  As a matter of fact,
for all those GUI freaks out there;-) its one of the things you actually
get to change when creating the SYSTEM tablespace using dbassist.
Oracle had to pick a default so they chose 50.  They also chose a
default for the SGA but up until now it was pretty much a useless
default.  No where do they say that 50 for pctincrease is recommended
or that it should stay that way.  Don't forget, this is not
SQL Server.  We are encouraged by Oracle to set the system up
for optimal performance.

-Original Message-
Thomas F
Sent: Tuesday, December 18, 2001 5:30 AM
To: Multiple recipients of list ORACLE-L


Kimberly,

I would agree with you if an experienced DBA makes the decision to change
the storage parameters, and they absolutely know what the benfits would be.

Generally speaking though, I think changing anything in the SYSTEM
tablespace is bad practice.

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Monday, December 17, 2001 8:45 PM
To: Multiple recipients of list ORACLE-L


Actually, I would not ignore the storage parameters of the SYSTEM
tablespace.
There are legit reasons to change the pctincrease to 0.  If you leave it at
50 then SMON (or PMON can't remember at the moment) will try to coalesce the
tablespace every time it wakes up.  Its work it has to do that it really
does
not need to do.  Better off scheduling to happen at your time schedule.

-Original Message-
Thomas F
Sent: Monday, December 17, 2001 7:45 AM
To: Multiple recipients of list ORACLE-L


Ken,

Do yourself a favor.  Ignore the SYSTEM tablespace storage params.  The ONLY
thing you should concern yourself in regard with the SYSTEM tablespace is if
the file needs to extend itself because it is too full.  All other storage
parameters are created by Oracle at database create time and should not be
changed.

For other tablespaces, you can change this parameter anytime after the
tablespace has been created.  It will not, however, change existing extents,
but will be used when new extents are allocated.

Hope this helps.

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Monday, December 17, 2001 10:16 AM
To: Multiple recipients of list ORACLE-L


Is there any way that I can change the PCTINCREASE for the SYSTEM tablespace
without recreating the DB?  For some reason the person who created the DB I
am working on set PCTINCREASE to 50 (or didn't did not include this
parameter).I am using this DB for a data conversion so there is no
software connected to it and in turn no users on it.

Thanks,
Ken Janusz, CPIM
Database Conversion Lead
Sufficient Systems, Inc.
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Ken Janusz
  INET: [EMAIL PROTECTED]

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(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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  INET: [EMAIL

Re: Change PCTINCREAE for SYSTEM Tablespace

2001-12-18 Thread Jared Still


The Oracle8i Admin Guide, Chapter 19, General Management of Schema Objects:

Give guidelines for setting storage parameters for data dictionary tables.

Setting PCINCREASE to 50 is an artifact from Oracle 6 and early releases of 7
which had a rather limited number of extents.

Jared


On Tuesday 18 December 2001 05:30, Mercadante, Thomas F wrote:
> Kimberly,
>
> I would agree with you if an experienced DBA makes the decision to change
> the storage parameters, and they absolutely know what the benfits would be.
>
> Generally speaking though, I think changing anything in the SYSTEM
> tablespace is bad practice.
>
> Tom Mercadante
> Oracle Certified Professional
>
>
> -Original Message-
> Sent: Monday, December 17, 2001 8:45 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Actually, I would not ignore the storage parameters of the SYSTEM
> tablespace.
> There are legit reasons to change the pctincrease to 0.  If you leave it at
> 50 then SMON (or PMON can't remember at the moment) will try to coalesce
> the tablespace every time it wakes up.  Its work it has to do that it
> really does
> not need to do.  Better off scheduling to happen at your time schedule.
>
> -Original Message-
> Thomas F
> Sent: Monday, December 17, 2001 7:45 AM
> To: Multiple recipients of list ORACLE-L
>
>
> Ken,
>
> Do yourself a favor.  Ignore the SYSTEM tablespace storage params.  The
> ONLY thing you should concern yourself in regard with the SYSTEM tablespace
> is if the file needs to extend itself because it is too full.  All other
> storage parameters are created by Oracle at database create time and should
> not be changed.
>
> For other tablespaces, you can change this parameter anytime after the
> tablespace has been created.  It will not, however, change existing
> extents, but will be used when new extents are allocated.
>
> Hope this helps.
>
> Tom Mercadante
> Oracle Certified Professional
>
>
> -Original Message-
> Sent: Monday, December 17, 2001 10:16 AM
> To: Multiple recipients of list ORACLE-L
>
>
> Is there any way that I can change the PCTINCREASE for the SYSTEM
> tablespace without recreating the DB?  For some reason the person who
> created the DB I am working on set PCTINCREASE to 50 (or didn't did not
> include this parameter).I am using this DB for a data conversion so
> there is no software connected to it and in turn no users on it.
>
> Thanks,
> Ken Janusz, CPIM
> Database Conversion Lead
> Sufficient Systems, Inc.
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Ken Janusz
>   INET: [EMAIL PROTECTED]
>
> Fat City Network Services-- (858) 538-5051  FAX: (858) 538-5051
> San Diego, California-- Public Internet access / Mailing Lists
> 
> 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.com
> --
> Author: Mercadante, Thomas F
>   INET: [EMAIL PROTECTED]
>
> Fat City Network Services-- (858) 538-5051  FAX: (858) 538-5051
> San Diego, California-- Public Internet access / Mailing Lists
> 
> 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.com
-- 
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RE: Change PCTINCREAE for SYSTEM Tablespace

2001-12-18 Thread Rachel Carmichael

the default of 50 for pctincrease, like the (before 8.1.6) default
block size for database creation of 2k is legacy.

It harkens back to the "olden days" when you couldn't have lots of
extents or autoextend.

I'd be much more likely to change the maxextents parameter on the
SYSTEM tables or to put autoextend on the datafiles in the SYSTEM
tablespace.


--- Kimberly Smith <[EMAIL PROTECTED]> wrote:
> I think even Oracle would disagree with you on that one.  While it
> is unsupported to change anything in the sql.bsq script (except with
> Trusted Oracle where its required to actually get it to create a
> database)
> anything that
> is changeable after the fact is fair game.  As a matter of fact,
> for all those GUI freaks out there;-) its one of the things you
> actually
> get to change when creating the SYSTEM tablespace using dbassist.
> Oracle had to pick a default so they chose 50.  They also chose a
> default for the SGA but up until now it was pretty much a useless
> default.  No where do they say that 50 for pctincrease is recommended
> or that it should stay that way.  Don't forget, this is not
> SQL Server.  We are encouraged by Oracle to set the system up
> for optimal performance.
> 
> -Original Message-
> Thomas F
> Sent: Tuesday, December 18, 2001 5:30 AM
> To: Multiple recipients of list ORACLE-L
> 
> 
> Kimberly,
> 
> I would agree with you if an experienced DBA makes the decision to
> change
> the storage parameters, and they absolutely know what the benfits
> would be.
> 
> Generally speaking though, I think changing anything in the SYSTEM
> tablespace is bad practice.
> 
> Tom Mercadante
> Oracle Certified Professional
> 
> 
> -Original Message-
> Sent: Monday, December 17, 2001 8:45 PM
> To: Multiple recipients of list ORACLE-L
> 
> 
> Actually, I would not ignore the storage parameters of the SYSTEM
> tablespace.
> There are legit reasons to change the pctincrease to 0.  If you leave
> it at
> 50 then SMON (or PMON can't remember at the moment) will try to
> coalesce the
> tablespace every time it wakes up.  Its work it has to do that it
> really
> does
> not need to do.  Better off scheduling to happen at your time
> schedule.
> 
> -Original Message-
> Thomas F
> Sent: Monday, December 17, 2001 7:45 AM
> To: Multiple recipients of list ORACLE-L
> 
> 
> Ken,
> 
> Do yourself a favor.  Ignore the SYSTEM tablespace storage params. 
> The ONLY
> thing you should concern yourself in regard with the SYSTEM
> tablespace is if
> the file needs to extend itself because it is too full.  All other
> storage
> parameters are created by Oracle at database create time and should
> not be
> changed.
> 
> For other tablespaces, you can change this parameter anytime after
> the
> tablespace has been created.  It will not, however, change existing
> extents,
> but will be used when new extents are allocated.
> 
> Hope this helps.
> 
> Tom Mercadante
> Oracle Certified Professional
> 
> 
> -Original Message-
> Sent: Monday, December 17, 2001 10:16 AM
> To: Multiple recipients of list ORACLE-L
> 
> 
> Is there any way that I can change the PCTINCREASE for the SYSTEM
> tablespace
> without recreating the DB?  For some reason the person who created
> the DB I
> am working on set PCTINCREASE to 50 (or didn't did not include this
> parameter).I am using this DB for a data conversion so there is
> no
> software connected to it and in turn no users on it.
> 
> Thanks,
> Ken Janusz, CPIM
> Database Conversion Lead
> Sufficient Systems, Inc.
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Ken Janusz
>   INET: [EMAIL PROTECTED]
> 
> Fat City Network Services-- (858) 538-5051  FAX: (858) 538-5051
> San Diego, California-- Public Internet access / Mailing
> Lists
> 
> 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.com
> --
> Author: Mercadante, Thomas F
>   INET: [EMAIL PROTECTED]
> 
> Fat City Network Services-- (858) 538-5051  FAX: (858) 538-5051
> San Diego, California-- Public Internet access / Mailing
> Lists
> 
> 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.com
> --
> Author: Kimberly Smith

RE: Change PCTINCREAE for SYSTEM Tablespace

2001-12-18 Thread Wong, Bing

I have to agree with Kimberly.  Knowing your storage parameters is the way
to go.  Don't just settle for defaults.  

Bing


-Original Message-
Sent: Tuesday, December 18, 2001 7:10 AM
To: Multiple recipients of list ORACLE-L


I think even Oracle would disagree with you on that one.  While it
is unsupported to change anything in the sql.bsq script (except with
Trusted Oracle where its required to actually get it to create a database)
anything that
is changeable after the fact is fair game.  As a matter of fact,
for all those GUI freaks out there;-) its one of the things you actually
get to change when creating the SYSTEM tablespace using dbassist.
Oracle had to pick a default so they chose 50.  They also chose a
default for the SGA but up until now it was pretty much a useless
default.  No where do they say that 50 for pctincrease is recommended
or that it should stay that way.  Don't forget, this is not
SQL Server.  We are encouraged by Oracle to set the system up
for optimal performance.

-Original Message-
Thomas F
Sent: Tuesday, December 18, 2001 5:30 AM
To: Multiple recipients of list ORACLE-L


Kimberly,

I would agree with you if an experienced DBA makes the decision to change
the storage parameters, and they absolutely know what the benfits would be.

Generally speaking though, I think changing anything in the SYSTEM
tablespace is bad practice.

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Monday, December 17, 2001 8:45 PM
To: Multiple recipients of list ORACLE-L


Actually, I would not ignore the storage parameters of the SYSTEM
tablespace.
There are legit reasons to change the pctincrease to 0.  If you leave it at
50 then SMON (or PMON can't remember at the moment) will try to coalesce the
tablespace every time it wakes up.  Its work it has to do that it really
does
not need to do.  Better off scheduling to happen at your time schedule.

-Original Message-
Thomas F
Sent: Monday, December 17, 2001 7:45 AM
To: Multiple recipients of list ORACLE-L


Ken,

Do yourself a favor.  Ignore the SYSTEM tablespace storage params.  The ONLY
thing you should concern yourself in regard with the SYSTEM tablespace is if
the file needs to extend itself because it is too full.  All other storage
parameters are created by Oracle at database create time and should not be
changed.

For other tablespaces, you can change this parameter anytime after the
tablespace has been created.  It will not, however, change existing extents,
but will be used when new extents are allocated.

Hope this helps.

Tom Mercadante
Oracle Certified Professional


-Original Message-
Sent: Monday, December 17, 2001 10:16 AM
To: Multiple recipients of list ORACLE-L


Is there any way that I can change the PCTINCREASE for the SYSTEM tablespace
without recreating the DB?  For some reason the person who created the DB I
am working on set PCTINCREASE to 50 (or didn't did not include this
parameter).I am using this DB for a data conversion so there is no
software connected to it and in turn no users on it.

Thanks,
Ken Janusz, CPIM
Database Conversion Lead
Sufficient Systems, Inc.
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Ken Janusz
  INET: [EMAIL PROTECTED]

Fat City Network Services-- (858) 538-5051  FAX: (858) 538-5051
San Diego, California-- Public Internet access / Mailing Lists

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.com
--
Author: Mercadante, Thomas F
  INET: [EMAIL PROTECTED]

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--
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(or the na

Re: Change PCTINCREAE for SYSTEM Tablespace

2001-12-18 Thread Connor McDonald

http://www.ixora.com.au/tips/creation/bsq.htm

suggests that a non-zero pctincrease may be viable,
with the reasoning being based on deferred rollback
segments.

Rumour has it, Oracle 9i.2 will have a lmt system
tablespace which will make the argument moot.

hth
connor

 --- Jared Still <[EMAIL PROTECTED]> wrote: > 
> The Oracle8i Admin Guide, Chapter 19, General
> Management of Schema Objects:
> 
> Give guidelines for setting storage parameters for
> data dictionary tables.
> 
> Setting PCINCREASE to 50 is an artifact from Oracle
> 6 and early releases of 7
> which had a rather limited number of extents.
> 
> Jared
> 
> 
> On Tuesday 18 December 2001 05:30, Mercadante,
> Thomas F wrote:
> > Kimberly,
> >
> > I would agree with you if an experienced DBA makes
> the decision to change
> > the storage parameters, and they absolutely know
> what the benfits would be.
> >
> > Generally speaking though, I think changing
> anything in the SYSTEM
> > tablespace is bad practice.
> >
> > Tom Mercadante
> > Oracle Certified Professional
> >
> >
> > -Original Message-
> > Sent: Monday, December 17, 2001 8:45 PM
> > To: Multiple recipients of list ORACLE-L
> >
> >
> > Actually, I would not ignore the storage
> parameters of the SYSTEM
> > tablespace.
> > There are legit reasons to change the pctincrease
> to 0.  If you leave it at
> > 50 then SMON (or PMON can't remember at the
> moment) will try to coalesce
> > the tablespace every time it wakes up.  Its work
> it has to do that it
> > really does
> > not need to do.  Better off scheduling to happen
> at your time schedule.
> >
> > -Original Message-
> > Thomas F
> > Sent: Monday, December 17, 2001 7:45 AM
> > To: Multiple recipients of list ORACLE-L
> >
> >
> > Ken,
> >
> > Do yourself a favor.  Ignore the SYSTEM tablespace
> storage params.  The
> > ONLY thing you should concern yourself in regard
> with the SYSTEM tablespace
> > is if the file needs to extend itself because it
> is too full.  All other
> > storage parameters are created by Oracle at
> database create time and should
> > not be changed.
> >
> > For other tablespaces, you can change this
> parameter anytime after the
> > tablespace has been created.  It will not,
> however, change existing
> > extents, but will be used when new extents are
> allocated.
> >
> > Hope this helps.
> >
> > Tom Mercadante
> > Oracle Certified Professional
> >
> >
> > -Original Message-
> > Sent: Monday, December 17, 2001 10:16 AM
> > To: Multiple recipients of list ORACLE-L
> >
> >
> > Is there any way that I can change the PCTINCREASE
> for the SYSTEM
> > tablespace without recreating the DB?  For some
> reason the person who
> > created the DB I am working on set PCTINCREASE to
> 50 (or didn't did not
> > include this parameter).I am using this DB for
> a data conversion so
> > there is no software connected to it and in turn
> no users on it.
> >
> > Thanks,
> > Ken Janusz, CPIM
> > Database Conversion Lead
> > Sufficient Systems, Inc.
> > --
> > Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> > --
> > Author: Ken Janusz
> >   INET: [EMAIL PROTECTED]
> >
> > Fat City Network Services-- (858) 538-5051 
> FAX: (858) 538-5051
> > San Diego, California-- Public Internet
> access / Mailing Lists
> >
>

> > 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.com
> > --
> > Author: Mercadante, Thomas F
> >   INET: [EMAIL PROTECTED]
> >
> > Fat City Network Services-- (858) 538-5051 
> FAX: (858) 538-5051
> > San Diego, California-- Public Internet
> access / Mailing Lists
> >
>

> > 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.com
> -- 
> Author: Jared Still
>   INET: [EMAIL PROTECTED]
> 
> Fat City Network Services-- (858) 538-5051  FAX:
> (858) 538-5051
> San Diego, California-- Public Internet
> access / Mailing Lists
>

> To REMOVE yourself from this mailing list, send an
> E-Mail message
> to: [EMAIL PROTECTED] (note EXACT spelling of
> 'ListGuru') and in
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> 

RE: RE: Change PCTINCREAE for SYSTEM Tablespace

2001-12-26 Thread Nirmal Kumar Muthu Kumaran
Title: RE: RE: Change PCTINCREAE for SYSTEM Tablespace





Hi Tom,


Can you review my views in changing pctincrease value:


 If i'm creating database manualy without dbassistant,
The steps are,
1) CONNECT INTERNAL
2) CREATE DATABASE ( LOGFILES, A SINGLE DATAFILE FOR SYSTEM TABLESPACE AND other infos)
3) CREATING SYSTEM TABLESPACE
4) OTHER STEPS. GOING ON...


Now why not i can change the PCTINCREASE at the step3?...
In what way it'd affect the DB? And why we need to change sql.bsq instead?


Hope that i didn't say anything incorrect. Let me know ur valuable reply...


Nirmal.,


-Original Message-
From:   [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
Sent:   03 ÔæÇá, 1422 04:50 PM
To: Multiple recipients of list ORACLE-L
Subject:    Re:RE: Change PCTINCREAE for SYSTEM Tablespace


Tom,


    I agree and disagree with you, respectfully.  Oracle does allow some changes
to be made to sql.bsq and they always leave the option open to make changes
after database creation and I don't see this request as all that odd.  But for
the most part if you do as recommended and leave the system tablespace to sys
only you should not have a problem.  That is until migration time!!


Dick Goulet


Reply Separator
Author: "Mercadante; Thomas F" <[EMAIL PROTECTED]>
Date:   12/18/2001 5:30 AM


Kimberly,


I would agree with you if an experienced DBA makes the decision to change
the storage parameters, and they absolutely know what the benfits would be.


Generally speaking though, I think changing anything in the SYSTEM
tablespace is bad practice.


Tom Mercadante
Oracle Certified Professional



-Original Message-
Sent: Monday, December 17, 2001 8:45 PM
To: Multiple recipients of list ORACLE-L



Actually, I would not ignore the storage parameters of the SYSTEM
tablespace.
There are legit reasons to change the pctincrease to 0.  If you leave it at
50 then SMON (or PMON can't remember at the moment) will try to coalesce the
tablespace every time it wakes up.  Its work it has to do that it really
does
not need to do.  Better off scheduling to happen at your time schedule.


-Original Message-
Thomas F
Sent: Monday, December 17, 2001 7:45 AM
To: Multiple recipients of list ORACLE-L



Ken,


Do yourself a favor.  Ignore the SYSTEM tablespace storage params.  The ONLY
thing you should concern yourself in regard with the SYSTEM tablespace is if
the file needs to extend itself because it is too full.  All other storage
parameters are created by Oracle at database create time and should not be
changed.


For other tablespaces, you can change this parameter anytime after the
tablespace has been created.  It will not, however, change existing extents,
but will be used when new extents are allocated.


Hope this helps.


Tom Mercadante
Oracle Certified Professional



-Original Message-
Sent: Monday, December 17, 2001 10:16 AM
To: Multiple recipients of list ORACLE-L



Is there any way that I can change the PCTINCREASE for the SYSTEM tablespace
without recreating the DB?  For some reason the person who created the DB I
am working on set PCTINCREASE to 50 (or didn't did not include this
parameter).    I am using this DB for a data conversion so there is no
software connected to it and in turn no users on it.


Thanks,
Ken Janusz, CPIM
Database Conversion Lead
Sufficient Systems, Inc.
--
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Author: Ken Janusz
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Author: Mercadante, Thomas F
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Author: Kimberly Smith
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Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San