From: Markus Schiltknecht <markus@bluegap.ch>
To: Heikki Linnakangas <heikki@enterprisedb.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: dbt2 NOTPM numbers
Date: Tue, 05 Jun 2007 16:25:33 +0200
Message-ID: <4665725D.6060102@bluegap.ch> (raw)
In-Reply-To: <46657180.7010604@enterprisedb.com>
References: <466428F7.5010808@bluegap.ch>
<46642B33.6030101@enterprisedb.com>
<46642F2E.3080509@bluegap.ch>
<4664748B.2060304@enterprisedb.com>
<4665703E.3040905@bluegap.ch>
<46657180.7010604@enterprisedb.com>
Hi,
Heikki Linnakangas wrote:
> Maybe, TPC-C is very write-intensive. I don't know much about RAID
> stuff, but I think you'd really benefit from a separate WAL drive. You
> could try turning fsync=off to see if that makes a difference.
Hm.. good idea, I'll try that.
> Oh, and how many connections are you using? DBT-2 can be quite sensitive
> to that. 30 seems to work pretty well for me.
I've been using between 2 and 90, but that made pretty much no
difference at all. I'm not getting anything more that some 300 NOTPM.
Regards
Markus
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To: pgsql-performance@postgresql.org
Cc: markus@bluegap.ch, heikki@enterprisedb.com
Subject: Re: dbt2 NOTPM numbers
In-Reply-To: <4665725D.6060102@bluegap.ch>
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