Re: PostgreSQL 8.4 performance tuning questions

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Scott Carey <scott(at)richrelevance(dot)com>
Cc: Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Merlin Moncure <mmoncure(at)gmail(dot)com>, PFC <lists(at)peufeu(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: PostgreSQL 8.4 performance tuning questions
Date: 2009-08-04 20:40:54
Message-ID: 21127.1249418454@sss.pgh.pa.us
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Scott Carey <scott(at)richrelevance(dot)com> writes:
> There are a handful of other compression algorithms very similar to LZO in
> performance / compression level under various licenses.
> LZO is just the best known and most widely used.

And after we get done with the license question, we need to ask about
patents. The compression area is just a minefield of patents. gzip is
known to avoid all older patents (and would be pretty solid prior art
against newer ones). I'm far less confident about lesser-known systems.

regards, tom lane

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