From: | Steve <cheetah(at)tanabi(dot)org> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: Question about memory allocations |
Date: | 2007-04-12 16:46:00 |
Message-ID: | Pine.GSO.4.64.0704121242250.17955@kittyhawk.tanabi.org |
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Thread: | |
Lists: | pgsql-performance |
> Steve <cheetah(at)tanabi(dot)org> writes:
>> - What is temp_buffers used for exactly?
>
> Temporary tables. Pages of temp tables belonging to your own backend
> don't ever get loaded into the main shared-buffers arena, they are read
> into backend-local memory. temp_buffers is the max amount (per backend)
> of local memory to use for this purpose.
Are these only tables explicitly stated as 'temporary' (which as I
recall is a create table option) or are temporary tables used for other
things to like, say, nested queries or other lil in the background things?
>> - Any idea if this is a smart configuration for this machine?
>
> Um ... you didn't mention which PG version?
>
The latest and greatest stable as downloaded a couple days ago.
8.2.3. :)
Thanks for the info!
Steve
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