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From: Brian Tarbox <[email protected]>
To: [email protected]
To: Rafal Kedziorski <[email protected]>
To: [email protected]
Subject: Re: PostgreSQL vs. MySQL
Date: Fri, 4 Jul 2003 08:43:24 -0400
Message-ID: <01b401c34229$dbab6100$01000001@trouble> (raw)
In-Reply-To: <[email protected]>

I'm actually leaving this list but I can answer this question.  Our results
were with a single user and we were running Inodb.  We were running on
RedHat 8.0 / 9.0 with vanilla linux settings.

Brian

-----Original Message-----
From: Michael Mattox [mailto:[email protected]]
Sent: Friday, July 04, 2003 8:36 AM
To: Brian Tarbox; Rafal Kedziorski; [email protected]
Subject: RE: [PERFORM] PostgreSQL vs. MySQL


> I recently took a system from MySQL to Postgres.  Same HW, SW, same data.
> The major operations where moderately complex queries (joins on 8 tables).
>
> The results we got was that Postgres was fully 3 times slower than MySql.
> We were on this  list a fair bit looking for answers and tried all the
> standard answers.  It was still much  much much slower.

I'm curious what the usage was.  How many concurrent processes were
performing the complex queries?  I've heard that Postgres does better when
the number of concurrent users is high and MySQL does better when the number
is low.  I have no idea if that is true or not.

Michael

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