Re: sort_mem param of postgresql.conf

On Wed, Nov 12, 2008 at 11:08 PM, Greg Smith <gsmith(at)gregsmith(dot)com> 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