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Re: vacuum in Postgresql 8.0.x slowing down the database

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Vinubalaji Gopal <vgopal(at)abaca(dot)com>
Cc: "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: vacuum in Postgresql 8.0.x slowing down the database
Date: 2008-03-26 20:02:13
Message-ID: 20080326130213.3797bfe1@jd-laptop (view raw or flat)
Thread:
Lists: pgsql-performance
On Wed, 26 Mar 2008 12:49:56 -0800
Vinubalaji Gopal <vgopal(at)abaca(dot)com> wrote:

> The big table has never been reindexed and has a primary, unique key
> with btree index and one foreign key constraint.

The slowness is likely attributed to Vacuum's use of I/O. When vacuum
is running what does iostat -k 10 say?

Joshua D. Drake



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