Re: Repeated Query is much slower in PostgreSQL8.2.4 than DB2 9.1

From: Andres Freund <andres(at)anarazel(dot)de>
To: pgsql-performance(at)postgresql(dot)org
Cc: ning <mailxiening(at)gmail(dot)com>, Craig Ringer <craig(at)postnewspapers(dot)com(dot)au>
Subject: Re: Repeated Query is much slower in PostgreSQL8.2.4 than DB2 9.1
Date: 2009-07-16 07:45:45
Message-ID: 200907160945.45780.andres@anarazel.de
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On Thursday 16 July 2009 03:11:29 ning wrote:
> Hi Andres,
>
> The log for the test you suggested is as follows in PostgreSQL8.2.4,
> but I cannot find a clue to prove or prove not PostgreSQL is doing
> plan caching.
Well. How long is the PREPARE and the EXECUTEs taking?

Andres

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