A common cause is not using bind variables - you're
parsing goes through the roof as does your
fragmentation of the shared pool.
As a "quick fix", possibly look at pinning frequently
used cursors/procs/triggers etc, and flush the shared
pool periodically.
hth
connor
- Arn Klammer <Arn.Klammer_at_austrac.gov.au> wrote: >
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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Received on Fri Sep 21 2001 - 06:48:33 CDT
