Re: Some thoughts about i/o priorities and throttling vacuum

From: Andrew Sullivan <andrew(at)libertyrms(dot)info>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Some thoughts about i/o priorities and throttling vacuum
Date: 2003-10-17 15:19:05
Message-ID: 20031017151904.GF1089@libertyrms.info
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On Fri, Oct 17, 2003 at 07:25:13PM +0530, Shridhar Daithankar wrote:
> What part of plain vacuum takes disk bandwidth? WAL? Clog? Certainly not
> data files themselves, right?

Sure, the data files. The data files still have to be completely
read from beginning to end by VACUUM.

A

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