RE: ORA-04031

From: DENNIS WILLIAMS <DWILLIAMS_at_LIFETOUCH.COM>
Date: Fri, 27 Jun 2003 14:38:18 -0700
Message-ID: <F001.005BB723.20030627140501@fatcity.com>

Peter

   You might take a look at Note 146599.1 on Metalink, Diagnosing and Resolving Error ORA-04031.

Dennis Williams
DBA, 80%OCP, 100% DBA
Lifetouch, Inc.
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Sent: Friday, June 27, 2003 2:30 PM
To: Multiple recipients of list ORACLE-L

One of our third party applications gave us the following message:

ORA-04031: unable to allocate 4192 bytes of shared memory

Environment is Oracle 8.1.7 on AIX 4.3.2

The output from "select * from v$sgastat showed about 3 mb free out of a total of 40 mb of shared pool. I increased the size of shared pool to 60 mb and started to watch the "shared pool"/"free memory" value in v$sgastat. It seems to vary between about 3 and 11 mb.

1. What is the application likely to be doing that requires it to allocate shared pool?
2. How do I know when I have the shared pool value in init.ora set high enough so that I won't get the ORA-04031 errors?
3. Is there any other init.ora parameter I ought to be looking at here?

Thanks,
Peter Schauss
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Author: Schauss, Peter
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Author: DENNIS WILLIAMS
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