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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 or flat)
Thread:
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.

merlin

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Subject: Re: Tuning Postgres 9.1 on Windows
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