Re: Help tuning autovacuum - seeing lots of relation

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Csaba Nagy <nagy(at)ecircle-ag(dot)com>
Cc: jody brownell <jody(dot)brownell(at)q1labs(dot)com>, postgres performance list <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Help tuning autovacuum - seeing lots of relation
Date: 2006-06-21 14:17:04
Message-ID: 9961.1150899424@sss.pgh.pa.us
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Csaba Nagy <nagy(at)ecircle-ag(dot)com> writes:
>> So, it appears my autovacuum is just NOT working... I must have screwed something up, but I cannot see what.

> Is it possible that you have long running transactions ?

The other question I was wondering about is if autovacuum is actually
choosing to vacuum the target table or not. The only way to check that
in 8.1 is to crank log_min_messages up to DEBUG2 and then trawl through
the postmaster log looking for "autovac" messages.

regards, tom lane

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