Re: [PERFORM] How to determine if my setting for shared_buffers is too high?

2006-12-08 Thread Jim C. Nasby
Remember that as you increase shared_buffers you might need to make the bgwriter more aggressive too. On Thu, Dec 07, 2006 at 11:42:39AM -0500, Bill Moran wrote: > > I'm gearing up to do some serious investigation into performance for > PostgreSQL with regard to our application. I have two issue

Re: [PERFORM] How to determine if my setting for shared_buffers is too high?

2006-12-07 Thread Tom Lane
Bill Moran <[EMAIL PROTECTED]> writes: > I haven't been able to find anything regarding how much of the > shared buffer space PostgreSQL is actually using, as opposed to > simply allocating. In 8.1 and up, contrib/pg_buffercache/ would give you some visibility of this. reg

[PERFORM] How to determine if my setting for shared_buffers is too high?

2006-12-07 Thread Bill Moran
I'm gearing up to do some serious investigation into performance for PostgreSQL with regard to our application. I have two issues that I've questions about, and I'll address them in two seperate emails. This one regards tuning shared_buffers. I believe I have a good way to monitor database acti