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AutoVacuum_NapTime

From: "George Sexton" <georges(at)mhsoftware(dot)com>
To: <pgsql-performance(at)postgresql(dot)org>
Subject: AutoVacuum_NapTime
Date: 2010-02-21 01:03:19
Message-ID: 053401cab291$a8cf7250$fa6e56f0$@com (view raw or flat)
Thread:
Lists: pgsql-performance
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?

What I'm observing is that the system is continuously vacuuming databases.
Would these settings mean the autovacuum worker would try to vacuum all 330
databases once per minute?

George Sexton


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