Re: vacuum locking

Rob Nagler <nagler@bivio.biz>

From: Rob Nagler <nagler@bivio.biz>
To: pgsql-performance@postgresql.org
Date: 2003-10-17T23:11:59Z
Lists: pgsql-performance
Manfred Koizar writes:
> ISTM you are VACCUMing too aggressively.  You are reclaiming less than
> 1% and 0.005%, respectively, of tuples.  I would increase FSM settings
> to ca. 1000 fsm_relations, 100000 fsm_pages and VACUUM *less* often,
> say every two hours or so.

I did this.  We'll see how it goes.

> ... or configure autovacuum to VACUUM a table when it has 10% dead
> tuples.

This solution doesn't really fix the fact that VACUUM consumes the
disk while it is running.  I want to avoid the erratic performance on
my web server when VACUUM is running.

mfg,
Rob