Re: Performance of autovacuum and full vacuum of database

From: "Matthew T(dot) O'Connor" <matthew(at)zeut(dot)net>
To: Carlos Oliva <carlos(at)pbsinet(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Performance of autovacuum and full vacuum of database
Date: 2005-11-10 20:43:44
Message-ID: 4373B100.1020801@zeut.net
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Carlos Oliva wrote:
> Thank you for your response Matthew. Currently I run pg_autovacuum with the
> following scripts.
> su -l postgres -c "pg_autovacuum -D -U postgres > /dev/null 2>&1"&
>
> Do you suggest that I could change it to something like the following:
> su -l postgres -c "pg_autovacuum -d2 -D -U postgres > /tmp/vacuum.log 2>&1"&

Yes exactly, and if you find that pg_autovacuum is never or not often
enough firing off vacuum comands, then you will need to play with the
threshold settings. The default thresholds for pg_autovacuum are too
conservative for most people, so you may very well have to do this.

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