Re: Improving compressibility of WAL files

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: Aidan Van Dyk <aidan(at)highrise(dot)ca>, Greg Smith <gsmith(at)gregsmith(dot)com>, Kyle Cordes <kyle(at)kylecordes(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Improving compressibility of WAL files
Date: 2009-01-08 22:59:31
Message-ID: 29331.1231455571@sss.pgh.pa.us
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Bruce Momjian <bruce(at)momjian(dot)us> writes:
> The attached patch from Aidan Van Dyk zeros out the end of WAL files to
> improve their compressibility. (The patch was originally sent to
> 'general' which explains why it was lost until now.)

Isn't this redundant given the existence of pglesslog?

regards, tom lane

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