RE: Record breaking query

Tue, 12 Aug 2003 08:00:49 -0700

Title: RE: Record breaking query
I have seen the time for wait_events in 8.1 do funny things when the system date was changed by ntp.  Oracle assumes that end time is after start time for each wait event, if this is not the case due to the system clock being changed, you get a BIG number.
 
Every time this happened to us, our firewall (which is the ntp server for all of our other machines) had been rebooted and we saw an ntp event in the system log file.  However, we were never able to reproduce this manually.
 

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-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]On Behalf Of Jamadagni, Rajendra
Sent: Friday, August 08, 2003 5:54 PM
To: Multiple recipients of list ORACLE-L
Subject: RE: Record breaking query

Thanks Wolfgang,

our retention time is 21600 seconds ... and this one bailed out in half the time ...

Oh well ... we need to fix few more things ..

Raj
--------------------------------------------------------------------------------
Rajendra dot Jamadagni at nospamespn dot com
All Views expressed in this email are strictly personal.
QOTD: Any clod can have facts, having an opinion is an art !


-----Original Message-----
From: Wolfgang Breitling [mailto:[EMAIL PROTECTED]]
Sent: Friday, August 08, 2003 5:40 PM
To: Multiple recipients of list ORACLE-L
Subject: RE: Record breaking query


I know what the message says. Do you believe everything you see printed? Or
expressing is differently: how many error/diagnostics messages have you
seen that are more misleading than helpful.

At 01:24 PM 8/8/2003 -0800, you wrote:

>but message says it is in seconds ... anf yes it is 92 ...
>
>Thanks
>Raj
>--------------------------------------------------------------------------------
>
>Rajendra dot Jamadagni at nospamespn dot com
>All Views expressed in this email are strictly personal.
>QOTD: Any clod can have facts, having an opinion is an art !
>
>-----Original Message-----
>From: Wolfgang Breitling
>[<mailto:[EMAIL PROTECTED]>mailto:[EMAIL PROTECTED]]
>Sent: Friday, August 08, 2003 4:04 PM
>To: Multiple recipients of list ORACLE-L
>Subject: RE: Record breaking query
>
>Is that an Oracle 9 system and the time is in microseconds rather than
>seconds?
>
>At 10:39 AM 8/8/2003 -0800, you wrote:
> >Yeah, but think of the uptime!  One helluva MTBF on that server...
> >
> >Rich
> >
> >Rich Jesse                           System/Database Administrator
> >[EMAIL PROTECTED]                  Quad/Tech Inc, Sussex, WI USA
> >
> >-----Original Message-----
> >Sent: Friday, August 08, 2003 12:49 PM
> >To: Multiple recipients of list ORACLE-L
> >
> >
> >TICK : Fri Aug  8 09:06:03 2003
> >SEARCH in kdisti: tsn = 5, objd = 83525, rdba = 33588489
> >ORA-01555 caused by SQL statement below (Query Duration=1060347963 sec,
> SCN:
> >0x0011.05e003c2):
> >TICK : Fri Aug  8 09:06:03 2003
> >SELECT VOBJID, VNAME, VTEXT, VLEN, VOWNER, VOWNERID, VAUDIT, VCOMMENT,
> >VCNAME, PROPERTY, DEFER, FLAGS, OIDLEN, OIDCLAUSE, TYPEOWNER,
> >TYPENAME, UNDERLEN,
> UNDERCLAUSE      FROM   SYS.EXU8VEW      WHERE  VOWNERID
> >!= :"SYS_B_0"      ORDER  BY VLEVEL, VOWNER, VOBJID
> >according to this error message this query has been running for close to 33
> >years. appears to be a export running for 33 years.
> >I am clusless
> >Raj
> >--
> >Please see the official ORACLE-L FAQ:
> <http://www.orafaq.net>http://www.orafaq.net
> >--
> >Author: Jesse, Rich
> >   INET: [EMAIL PROTECTED]
> >
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>Wolfgang Breitling
>Oracle7, 8, 8i, 9i OCP DBA
>Centrex Consulting Corporation
><http://www.centrexcc.com>http://www.centrexcc.com
>
>--
>Please see the official ORACLE-L FAQ:
><http://www.orafaq.net>http://www.orafaq.net
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>Author: Wolfgang Breitling
>   INET: [EMAIL PROTECTED]
>
>Fat City Network Services    -- 858-538-5051
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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).

Wolfgang Breitling
Oracle7, 8, 8i, 9i OCP DBA
Centrex Consulting Corporation
http://www.centrexcc.com


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Author: Wolfgang Breitling
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