From: Scott Marlowe <scott.marlowe@gmail.com>
To: Josh Berkus <josh@agliodbs.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Need help with 8.4 Performance Testing
Date: Sun, 7 Dec 2008 22:40:17 -0700
Message-ID: <dcc563d10812072140q1cb257cbs8140b390759cb1a5@mail.gmail.com> (raw)
In-Reply-To: <200812071138.01215.josh@agliodbs.com>
References: <200812071138.01215.josh@agliodbs.com>
On Sun, Dec 7, 2008 at 12:38 PM, Josh Berkus <josh@agliodbs.com> wrote:
I've got a pair of 8 core opteron 16 drive machines I would like to
test it on. If nothing else I'll just take queries from the log to
run against an 8.4 install. It'll have to be late at night though...
> If you are going to use pgbench to test, *please* read Greg Smith's notes
> first:
> http://www.westnet.com/~gsmith/gregsmith/content/postgresql/pgbench-scaling.htm
When I last used pgbench I wanted to test it with an extremely large
dataset, but it maxes out at -s 4xxx or so, and that's only in the
40Gigabyte range. Is the limit raised for the pgbench included in
contrib in 8.4? I'm guessing it's an arbitrary limit.
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To: pgsql-performance@postgresql.org
Cc: scott.marlowe@gmail.com, josh@agliodbs.com
Subject: Re: Need help with 8.4 Performance Testing
In-Reply-To: <dcc563d10812072140q1cb257cbs8140b390759cb1a5@mail.gmail.com>
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