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RE: Record breaking query

From: Michael Brown <mbrown_at_glenraven.com>
Date: Sun, 10 Aug 2003 11:29:29 -0800
Message-ID: <F001.005C9EE2.20030810112929@fatcity.com>


RE: Record breaking queryI 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.

--
Michael Brown                           Glen Raven, Inc./Info Services
Senior Oracle DBA                       1831 N. Park Ave
Phone: (336)586-1146                    Glen Raven, NC 27217
Fax: (336)586-1382                      mbrown_at_glenraven.com


  -----Original Message-----
  From: ml-errors_at_fatcity.com [mailto:ml-errors_at_fatcity.com]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:breitliw_at_centrexcc.com]
  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:breitliw_at_centrexcc.com>mailto:breitliw_at_centrexcc.com]
>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
> >rjesse_at_qtiworld.com 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: Rich.Jesse_at_qtiworld.com
> >
> >Fat City Network Services -- 858-538-5051
> <http://www.fatcity.com>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: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
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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).
>
>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
>--
>Author: Wolfgang Breitling
> INET: breitliw_at_centrexcc.com
>
>Fat City Network Services -- 858-538-5051
><http://www.fatcity.com>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: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
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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).
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 -- Author: Wolfgang Breitling INET: breitliw_at_centrexcc.com 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: ListGuru_at_fatcity.com (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: Michael Brown INET: mbrown_at_glenraven.com 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: ListGuru_at_fatcity.com (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).
Received on Sun Aug 10 2003 - 14:29:29 CDT

Original text of this message

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