Brian Tarbox kirjutas R, 04.07.2003 kell 15:27:
> 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.
For each and every query ??
> We were on this list a fair bit looking for answers and tried all the
> standard answers.
Could you post the list of "standard answers" you tried ?
> It was still much much much slower.
Was this with InnoDB ?
what kind of joins were they (i.e
"FROM a JOIN b on a.i=b.i"
or "FROM a,b WHERE a.i = b.i" ?
What was the ratio of planning time to actual execution time in pgsql?
Where the queries originally optimized for MySQL ?
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Hannu
