Re: BUG #5849: Stats Collector Frozen - Autovacuum Not Working Anymore

Thank you, that was it. We upgraded to 8.4.6 and the problem went away.

Radu

-----Original Message-----
From: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]
Sent: Wednesday, January 26, 2011 12:22 PM
To: Ilie, Radu
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: [BUGS] BUG #5849: Stats Collector Frozen - Autovacuum Not
Working Anymore

"Radu Ilie" <rilie(at)wsi(dot)com> writes:
> PostgreSQL version: 8.4.4 32 bit

> We started noticing very poor performance one day ago. Turns out the
> autovacuum was no longer working.

Perhaps you ran into the cost_limit problem that was fixed in 8.4.6?

http://archives.postgresql.org/pgsql-committers/2010-11/msg00186.php

> Any idea why the stats collector was stuck?

I don't think you've offered any proof that the stats collector was
stuck. Waiting for a message would be its normal state.

regards, tom lane