| From: | "Michael Mattox" <michael(dot)mattox(at)verideon(dot)com> |
|---|---|
| To: | "Brian Tarbox" <btarbox(at)theworld(dot)com>, "Rafal Kedziorski" <rafcio(at)polonium(dot)de>, <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: PostgreSQL vs. MySQL |
| Date: | 2003-07-04 12:36:00 |
| Message-ID: | CJEBLDCHAADCLAGIGCOOKEDICLAA.michael.mattox@verideon.com |
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| Lists: | pgsql-docs pgsql-general pgsql-hackers pgsql-performance |
> 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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