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autovac hitting too many tables at once

From: Greg Williamson <gwilliamson39(at)yahoo(dot)com>
To: "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: autovac hitting too many tables at once
Date: 2012-06-22 18:58:19
Message-ID: 1340391499.61601.YahooMailNeo@web46101.mail.sp1.yahoo.com (view raw or flat)
Thread:
Lists: pgsql-admin
Hi,

I've got an 8.4.11 system that I am relatively new to and I am seeing multiple autovac processes kick off on several of the largest tables at once and it is causing pain.

Are there any suggestions to

  a) quickly relieve the immediate pain

and

  b) prevent such issues in the future (other than going to manual vacuuming on a schedule).

Thanks,

Greg Williamson


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Next:From: Kevin GrittnerDate: 2012-06-22 19:13:56
Subject: Re: autovac hitting too many tables at once
Previous:From: Greg SmithDate: 2012-06-21 07:20:45
Subject: Re: about shared_buffer and kernel.shmmax

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