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Re: vacuum monitoring question

From: "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>
To: "Kevin Kempter" <kevink(at)consistentstate(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: vacuum monitoring question
Date: 2008-12-24 16:56:29
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Lists: pgsql-admin
On Wed, Dec 24, 2008 at 9:31 AM, Kevin Kempter
<kevink(at)consistentstate(dot)com> wrote:
> Hi All;
> I'm working on a vacuum monitor script to alert us when tables start to grow
> out of control per dead space. Initially I excluded the system catalog
> schemas (pg_catalog, pg_toast, etc) however I wonder if maybe I should
> monitor these as well. PLus I'm looking for any input as to specifically
> what to look for - I've calculated a 'fill factor' which shows the average
> page fill as a percentage but I wonder what other metrics may help monitor
> possible problem tables effeciently..

It's a good idea to keep an eye on system catalogs, especially if you
have a fair bit of DDL going on in your usage.  I'd take a look at
what the script does.  No need to reproduce all
that work on your own.

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