From: matthew@tocr.com
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Mindaugas Riauba <mind@bi.lt>
Cc: pgsql-performance@postgresql.org
Subject: Re: How to avoid database bloat
Date: Thu, 2 Jun 2005 23:38:18 -0400 (EDT)
Message-ID: <31520.68.175.84.212.1117769898.squirrel@mail.tocr.com> (raw)
In-Reply-To: <14703.1117728639@sss.pgh.pa.us>
References: <00d501c5667d$8cc12320$f20214ac@bite.lt>
<13878.1117636799@sss.pgh.pa.us>
<018601c56744$9d5aae50$f20214ac@bite.lt>
<13178.1117719939@sss.pgh.pa.us>
<02db01c5677e$d43d3b10$f20214ac@bite.lt>
<14703.1117728639@sss.pgh.pa.us>
> "Mindaugas Riauba" <mind@bi.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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To: pgsql-performance@postgresql.org
Cc: matthew@tocr.com, tgl@sss.pgh.pa.us, mind@bi.lt
Subject: Re: How to avoid database bloat
In-Reply-To: <31520.68.175.84.212.1117769898.squirrel@mail.tocr.com>
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