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Re: Tuning Postgres 9.1 on Windows

From: "Walker, James Les" <JAWalker(at)cantor(dot)com>
To: 'Merlin Moncure' <mmoncure(at)gmail(dot)com>, Thomas Kellerer<spam_eater(at)gmx(dot)net>
Cc: "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Tuning Postgres 9.1 on Windows
Date: 2012-05-01 12:51:57
Message-ID: 21BFB59709EBB84DB412ED7F739FFD3B1AC2C2@TBPINFN0203.cad.local (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
Exactly, if turning off fsync gives me 100 commits/sec then I know where my bottleneck is and I can attack it. Keep in mind though that I already turned off synchronous commit -- *really* dangerous -- and it didn't have any effect.

-- Les

-----Original Message-----
From: pgsql-performance-owner(at)postgresql(dot)org [mailto:pgsql-performance-owner(at)postgresql(dot)org] On Behalf Of Merlin Moncure
Sent: Monday, April 30, 2012 6:04 PM
To: Thomas Kellerer
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: [PERFORM] Tuning Postgres 9.1 on Windows

On Mon, Apr 30, 2012 at 5:00 PM, Thomas Kellerer <spam_eater(at)gmx(dot)net> wrote:
> Merlin Moncure wrote on 30.04.2012 23:43:
>> Trying turning off fsync in postgrsql.conf to be sure.
> This is a dangerous advise.
> Turning off fsync can potentially corrupt the database in case of a 
> system failure (e.g. power outage).

sure. that said, we're just trying to figure out why he's getting
around 40tps.   since he's only benchmarking test data it's perfectly
ok to do that.


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