Re: Update on sort-compression stuff

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Martijn van Oosterhout <kleptog(at)svana(dot)org>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Update on sort-compression stuff
Date: 2006-05-22 19:42:28
Message-ID: 14306.1148326948@sss.pgh.pa.us
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Martijn van Oosterhout <kleptog(at)svana(dot)org> writes:
> I implemented a basic implementation using pg_lzcompress. It appears
> that pg_lzcompress is very, very slow. I was afraid that I'd made an
> infinite loop, but it was just really slow. Mind you, the overhead of
> each call might have been the problem, it was being called on every
> 32KB block.

Something wrong there, because the entire point of pg_lzcompress was to
be pretty fast. I agree it needs looking into.

regards, tom lane

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