Re: vacuum locking

From: Rob Nagler <nagler(at)bivio(dot)biz>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: vacuum locking
Date: 2003-10-17 23:11:59
Message-ID: 16272.30527.120343.547492@jump.bivio.com
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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

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