Re: How to avoid database bloat

From: matthew(at)tocr(dot)com
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Mindaugas Riauba" <mind(at)bi(dot)lt>, pgsql-performance(at)postgresql(dot)org
Subject: Re: How to avoid database bloat
Date: 2005-06-03 03:38:18
Message-ID: 31520.68.175.84.212.1117769898.squirrel@mail.tocr.com
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> "Mindaugas Riauba" <mind(at)bi(dot)lt> writes:
>> And what in vacuum verbose output suggests that vacuum is not done
>> often enough? Current output (table is 100MB already) is below.
>
> The output shows vacuum cleaning up about a third of the table. Usually
> people like to keep the overhead down to 10% or so ...

He was running with -V 0.5 which should transalate to roughly 50% of the
table being touched before a vacuum is issued.j

Matt

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