2008/11/13 Scott Marlowe <[EMAIL PROTECTED]>: > On Thu, Nov 13, 2008 at 7:59 AM, Grzegorz Jaśkiewicz <[EMAIL PROTECTED]> > wrote: >> >> >> On Wed, Nov 12, 2008 at 11:08 PM, Greg Smith <[EMAIL PROTECTED]> 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 > > default is 1M, but you can safely run 8 to 16 Meg with your setup.
Wait I might be confusing you with someone else. What's your machine's mem, how much is shared_buffers, and what's your max_connections? -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
