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From: yoav x <yoav112003@yahoo.com>
To: pgsql-performance@postgresql.org
Subject: Re: PostgreSQL and sql-bench
Date: Mon, 25 Sep 2006 07:58:17 -0700 (PDT)
Message-ID: <20060925145817.74843.qmail@web35811.mail.mud.yahoo.com> (raw)
In-Reply-To: <829.1158851565@sss.pgh.pa.us>

Hi

I am not comparing Postgres to MyISAM (obviously it is not a very fair comparison) and we do need
ACID, so all comparison are made against InnoDB (which now supports MVCC as well). I will try
again with the suggestions posted here.

Thanks.



--- Tom Lane <tgl@sss.pgh.pa.us> wrote:

> yoav x <yoav112003@yahoo.com> writes:
> > I've applied the following parameters to postgres.conf:
> 
> > max_connections = 500
> > shared_buffers = 3000
> > work_mem = 100000
> > effective_cache_size = 3000000000
> 
> Please see my earlier reply --- you ignored at least
> checkpoint_segments, which is critical, and perhaps other things.
> 
> Don't forget also that testing mysql/myisam against fsync = on
> is inherently unfair.
> 
> 			regards, tom lane
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
> 


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