Re: 8.2.4 serious slowdown

From: "Isak Hansen" <isak(dot)hansen(at)gmail(dot)com>
To: "Sim Zacks" <sim(at)compulab(dot)co(dot)il>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: 8.2.4 serious slowdown
Date: 2008-01-10 15:54:15
Message-ID: 6b9e1eb20801100754x15e036e8k7d3949171c23cf2a@mail.gmail.com
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On 1/10/08, Sim Zacks <sim(at)compulab(dot)co(dot)il> wrote:
> I just upgraded my database server from 8.0.1 to 8.2.4
> Most things went very well, but I have a couple of queries that really slowed down with the new server.
> On 8.0.1 the query took less then 3 seconds to complete. On 8.2.4 the same query
> (I vacuumed the database before running the query) takes 60 seconds (10 minutes with Explain Analyze).
>

Did you analyze the 8.2 db? AFAIK a plain vacuum doesn't gather any statistics.

Kind regards,
Isak

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