Re: Experimental patch for inter-page delay in VACUUM

From: Jan Wieck <JanWieck(at)Yahoo(dot)com>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Greg Stark <gsstark(at)mit(dot)edu>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Experimental patch for inter-page delay in VACUUM
Date: 2003-11-10 14:18:31
Message-ID: 3FAF9E37.5070400@Yahoo.com
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Bruce Momjian wrote:

> Now, O_SYNC is going to force every write to the disk. If we have a
> transaction that has to write lots of buffers (has to write them to
> reuse the shared buffer)

So make the background writer/checkpointer keeping the LRU head clean. I
explained that 3 times now.

Jan

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