Re: Question about memory allocations

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
Views: Raw Message | Whole Thread | Download mbox | Resend email
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

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Scott Marlowe 2007-04-12 16:56:04 Re: Slow Postgresql server
Previous Message Jeff Frost 2007-04-12 15:35:24 Re: Slow Postgresql server