Re: Update on sort-compression stuff - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Update on sort-compression stuff
Date
Msg-id 14306.1148326948@sss.pgh.pa.us
Whole thread Raw
In response to Update on sort-compression stuff  (Martijn van Oosterhout <kleptog@svana.org>)
List pgsql-hackers
Martijn van Oosterhout <kleptog@svana.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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