Re: benchmarking journalling file systems, fsync, and buffers.

From: mlw <markw(at)mohawksoft(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: benchmarking journalling file systems, fsync, and buffers.
Date: 2002-01-12 23:36:54
Message-ID: 3C40C896.15C400B6@mohawksoft.com
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Tom Lane wrote:
>
> mlw <markw(at)mohawksoft(dot)com> writes:
> > I have been doing some benchmarking on RedHat 7.2
>
> I think you neglected to mention the pgbench scale factor?

It is in the output of the benchmark files, it is 50.

> I find it easier to digest graphs than numbers, so here are a couple of
> GIFs of Mark's results. The first is the filesystem/fsync comparison,
> the second the NBuffers comparison.

Thanks.

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