Re: PostgreSQL and sql-bench - Mailing list pgsql-performance

From Brad Nicholson
Subject Re: PostgreSQL and sql-bench
Date
Msg-id 1158850992.30235.10.camel@dba5.int.libertyrms.com
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In response to PostgreSQL and sql-bench  (yoav x <yoav112003@yahoo.com>)
List pgsql-performance
On Thu, 2006-09-21 at 07:52 -0700, yoav x wrote:
> Hi
>
> After upgrading DBI and DBD::Pg, this benchmark still picks MySQL as the winner (at least on Linux
> RH3 on a Dell 1875 server with 2 hyperthreaded 3.6GHz CPUs and 4GB RAM).
> I've applied the following parameters to postgres.conf:
>
> max_connections = 500
> shared_buffers = 3000
> work_mem = 100000
> effective_cache_size = 3000000000
>
> Most queries still perform slower than with MySQL.
> Is there anything else that can be tweaked or is this a limitation of PG or the benchmark?

As mentioned by others, you are using a benchmark that is slanted
towards MySQL.


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