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

From yoav x
Subject Re: PostgreSQL and sql-bench
Date
Msg-id 20060925145817.74843.qmail@web35811.mail.mud.yahoo.com
Whole thread Raw
In response to Re: PostgreSQL and sql-bench  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: PostgreSQL and sql-bench  (Jim Nasby <decibel@decibel.org>)
List pgsql-performance
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
>


__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around
http://mail.yahoo.com

pgsql-performance by date:

Previous
From: "Luke Lonergan"
Date:
Subject: Re: Large tables (was: RAID 0 not as fast as
Next
From: "Marc Morin"
Date:
Subject: Decreasing BLKSZ