Re: Improving the Performance of Full Table Updates

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Heikki Linnakangas" <heikki(at)enterprisedb(dot)com>
Cc: "Gokulakannan Somasundaram" <gokul007(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Improving the Performance of Full Table Updates
Date: 2007-10-08 14:04:43
Message-ID: 18439.1191852283@sss.pgh.pa.us
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"Heikki Linnakangas" <heikki(at)enterprisedb(dot)com> writes:
> * mmap the WAL segments, instead of using the slru buffers.

This one's almost certainly a nonstarter, for lack of any portable way
to control when writes happen.

regards, tom lane

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