Re: AutoVacuum_NapTime

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "George Sexton" <georges(at)mhsoftware(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: AutoVacuum_NapTime
Date: 2010-02-21 01:15:20
Message-ID: 25691.1266714920@sss.pgh.pa.us
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"George Sexton" <georges(at)mhsoftware(dot)com> writes:
> I have a system with around 330 databases running PostgreSQL 8.4.2
> What would the expected behavior be with AutoVacuum_NapTime set to the
> default of 1m and autovacuum_workers set to 3?

autovacuum_naptime is the cycle time for any one database, so you'd
get an autovac worker launched every 60/330 seconds ...

regards, tom lane

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