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Re: ORA-4031 and Shared Pool Fragmentation

From: Alan Molloy <alan_molloy_at_hotmail.com>
Date: Tue, 07 Nov 2000 14:12:29 GMT
Message-ID: <01c048c4$03265e90$617da8c0@opc097>

Sorry about that Howard,
v$version returns
Oracle8i Enterprise Edition Release 8.1.5.0.0 - Production

Regards,
Alan.

Howard J. Rogers <howardjr_at_www.com> wrote in article <3a07e864$1_at_news.iprimus.com.au>...
> A version number would help, on the grounds that shared pool management
 has
> changed so dynamically between 8.0 and 8i that the answers in one case
 are
> totally inappropriate in another.
>
> Regards
> HJR
> --
>
>



> Opinions expressed are my own, and not those of Oracle Corporation
> Oracle DBA Resources: http://www.geocities.com/howardjr2000
>


>
>
> "Alan Molloy" <alan_molloy_at_hotmail.com> wrote in message
> news:01c048ab$d24f8c50$617da8c0_at_opc097...
> > I'm sure this has been answered before, and I have had some interesting
> > info from IXORA's website, but I'm still a bit confused.
> > I've an ORACLE database that receives a lot of unbound/unparsed SQL. I
> > can't really change that behaviour unfortunately, because the SQL is
> > generated dynamically by a seperate production application.
> > Am I right in saying that the symptoms of shared pool and library cache
> > latch contention are pretty much expected in this situation?
> > After this production application has been chugging away for a number
 of
> > hours, I get a ORA-4031 error. I assume because the shared pool becomes
> > progressively more and more fragmented.
> > There is no big packages or PL/SQL or anything. Just these SQL
 statements
> > being passed through via an oracle client.
> > My question really is what steps(assuming I can't bind the SQL) can be
> > taken to get the most out of this situation?
> > 1 Can I stop the 4031 error where all the SQL coming in is different?
 Do I
> > have to schedule a shared pool flush every few hours to stop this from
> > happening?
> > 2 Is there a way of cutting down the latch contention?
> >
> > Regards,
> > Alan
>
>
>
Received on Tue Nov 07 2000 - 08:12:29 CST

Original text of this message

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