Rash of shared memory errors

From: Arn Klammer <Arn.Klammer_at_austrac.gov.au>
Date: Thu, 20 Sep 2001 23:46:06 -0700
Message-ID: <F001.003945DE.20010920235518@fatcity.com>

Hi,

Just recently, we have been frequently receiving errors like the following in our development database:

ERROR:
ORA-04031: unable to allocate 4096 bytes of shared memory ("shared pool","BEGIN DBMS_OUTPUT.DISABLE; E...","PL/SQL MPCODE","BAMIMA: Bam Buffer")

The size of our shared pool is not too small (I think); it's larger than our test and maintenance databases, for example.

shared_pool_reserved_size            string  800000
shared_pool_size                     string  16000000

What could be causing this level of frequent fragmentation? We have been developing a new application in the database, but this has been ongoing for some months; the errors appeared only in the last week or so.

What should I be looking for to solve this?

Thanx for any advice.

-arn

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Author: Arn Klammer
INET: Arn.Klammer_at_austrac.gov.au

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