Re: RE: SGA Fragmentation - How to Monitor

From: Niall Litchfield <niall.litchfield_at_gmail.com>
Date: Wed, 10 Mar 2010 18:55:38 +0000
Message-ID: <7765c8971003101055q2507e5c7p8224599be6eb4156_at_mail.gmail.com>

Joel, this is about shared pool fragmentation not keeping blocks in the SGA. Any PL/SQL intensive app is likely to benefit from this, assuming they've packaged routines appropriately

On Mar 10, 2010 6:47 PM, <Joel.Patterson_at_crowley.com> wrote:

I really can't answer definitively one way or another. If it was good for you under 8 and 9, then of course you know for versions 8 and 9.

The thinking has always been in the past (oracle 8 and 9), when the subject came up, especially with tables, that the least recently used algorithm employed by oracle would purge essentially keep the hot tables anyway and so there wasn't any point in pinning them.

Now I'm sure you have more detail than that, but thought I'd put that out there for consideration for whatever it might be worth.

Joel Patterson
Database Administrator
904 727-2546

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Subject: RE: SGA Fragmentation - How to Monitor If this is an Oracle Applications / Ebiz / ERP syst...

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Received on Wed Mar 10 2010 - 12:55:38 CST