Re: Compression and on-disk sorting

From: "Zeugswetter Andreas DCP SD" <ZeugswetterA(at)spardat(dot)at>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Greg Stark" <gsstark(at)mit(dot)edu>
Cc: "Andrew Piskorski" <atp(at)piskorski(dot)com>, <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Compression and on-disk sorting
Date: 2006-05-17 10:20:19
Message-ID: E1539E0ED7043848906A8FF995BDA579010544BA@m0143.s-mxs.net
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> Certainly, if you can't prototype a convincing performance win using
> that algorithm, it's unlikely to be worth anyone's time to
> look harder.

That should be easily possible with LZO. It would need to be the lib
that
we can optionally link to (--with-lzo), since the lib is GPL.

lzo even allows for inplace decompression and overlapping compression.

Andreas

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