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Home -> Community -> Mailing Lists -> Oracle-L -> ORA-4031
This weekend we upgraded from 8.1.7.4 32-bit to 10.1.0.5 64-bit (AIX 5.2)
and we are experiencing a large number of 4031 errors(these were extremely
rare under 8). We have contacted Oracle support as a sev 1 issue, but I
thought I would drop a note to see if anyone has experienced anything like
this while we wait. Under 8 our shared pool was approximately 250m. We
initially set the shared pool to 1.2g under 10 and that was not enough. In
the interim, we decided to increase the shared pool to 3g to see if we can
buy some time while we continue to wait (and that has been successful so
far). We do have some literal sql and some opportunities for improvement,
but I would think we should experience "somewhat" similar behavior in
terms of memory usage with the upgrade vs. the prior version. The amount
of memory seems very excessive to me. In addition, we are not using the
memory autotuning feature. Anybody know of a bug related to excessive
shared pool usage or any other thoughts? Thanks
Tracy Rahmlow | Lead Database Analyst
Information Systems
Ameriprise Auto & Home Insurance
AMEX Assurance Company
IDS Property Casualty Insurance Company
3500 Packerland Drive | De Pere, WI 54115-9070
Office: 920.330.5164 | Fax: 920.330.5350
tracy.rahmlow_at_ampf.com
ameriprise.com/autohome
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annotations on 05/08/06, 11:29:55
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-- http://www.freelists.org/webpage/oracle-lReceived on Mon May 08 2006 - 13:28:32 CDT
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