From: | "Jim C(dot) Nasby" <decibel(at)decibel(dot)org> |
---|---|
To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: Compressing WAL |
Date: | 2005-04-13 22:27:20 |
Message-ID: | 20050413222720.GE58835@decibel.org |
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Lists: | pgsql-hackers pgsql-performance |
On Sun, Apr 10, 2005 at 09:12:41PM -0400, Bruce Momjian wrote:
> I have never heard anyone talk about it, but it seems useful. I think
> compressing the page images written on first page modification since
> checkpoint would be a big win.
Could you clarify that? Maybe I'm being naive, but it seems like you
could just put a compression routine between the log writer and the
filesystem.
> Is this a TODO?
ISTM it's at least worth hacking something together and doing some
performance testing...
--
Jim C. Nasby, Database Consultant decibel(at)decibel(dot)org
Give your computer some brain candy! www.distributed.net Team #1828
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