Re: HOT pgbench results

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: HOT pgbench results
Date: 2007-08-07 14:19:11
Message-ID: 20852.1186496351@sss.pgh.pa.us
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Heikki Linnakangas <heikki(at)enterprisedb(dot)com> writes:
> unpatched HOT
> autovacuums 116 43
> autoanalyzes 139 60

> HOT greatly reduces the number of vacuums needed. That's good, that's
> where the gains in throughput in longer I/O bound runs comes from.

But surely failing to auto-analyze after a HOT update is a bad thing.

regards, tom lane

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