pga_aggregate_target defaults to zero,
and the instance won 't start if you set
it to zero when workarea_size_policy
is set to AUTO.
It 's DBCA that sets the pga_aggregate_target
to 25M for you if you don 't interfere. (Giving
you a whole new meaning for 'default install ')
Regards
Jonathan Lewis
http://www.jlcomp.demon.co.uk
The Co-operative Oracle Users ' FAQ
http://www.jlcomp.demon.co.uk/faq/ind_faq.html
March 2004 Hotsos Symposium - The Burden of Proof
Dynamic Sampling - an investigation
March 2004 Charlotte OUG (www.cltoug.org) CBO Tutorial
April 2004 Iceland
June 2004 UK - Optimising Oracle Seminar
-- -- Original Message -- --
From: "Jonathan Lewis " <jonathan@(protected) >
To: <oracle-l@(protected) >
Sent: Tuesday, March 02, 2004 9:38 AM
Subject: Re: query slow in 9i, but not slow in 8i
>
> True -
>
> If work_area_policy = auto in 9.2, then the
> pga_aggregate_target is used. Since this
> defaults to 25M (better check that) and the
> limit for a process is 5% of total, then the
> v9 run is probably trying to do its sort with
> 1.25M, rather than the 90M used by 8i.
>
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