Re: PostgreSQL 8.4 performance tuning questions

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Scott Carey" <scott(at)richrelevance(dot)com>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Matthew Wakeling" <matthew(at)flymine(dot)org>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: PostgreSQL 8.4 performance tuning questions
Date: 2009-07-30 21:43:08
Message-ID: 4A71CD9C020000250002916D@gw.wicourts.gov
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Scott Carey <scott(at)richrelevance(dot)com> wrote:

> Gzip does have some quirky performance behavior depending on the
> chunk size of data you stream into it.

Yeah, I've run into that before. If we're sending each individual
datum to a gzip function rather than waiting until we've got a
decent-size buffer, that could explain it.

-Kevin

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