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Re: sort_mem param of postgresql.conf

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On Wed, Nov 12, 2008 at 11:08 PM, Greg Smith <gsmith@xxxxxxxxxxxxx> wrote:
Be advised that the work_mem setting (and its deprecated alias sort_mem) are on a per-client basis.  So if you have a bunch of people running reports with that setting, you might discover your server running out of memory; that's a really high setting.  Generally, if it's only a report or two that need a lot more working memory for sorts, you can do this at the beginning of them instead:

set work_mem='512MB';
so how do I change it back to default (without knowing what the previous val was). I suppose having it in a transaction won't do :P
 
--
GJ

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