From: Greg Smith <greg@2ndQuadrant.com>
To: Ants Aasma <ants@cybertec.at>
Cc: Heikki Linnakangas <hlinnakangas@vmware.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Cc: KONDO Mitsumasa <kondo.mitsumasa@lab.ntt.co.jp>
Subject: Re: Improvement of checkpoint IO scheduler for stable transaction responses
Date: Wed, 17 Jul 2013 06:54:31 -0400
Message-ID: <51E677E7.6070803@2ndQuadrant.com> (raw)
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On 7/16/13 11:36 PM, Ants Aasma wrote:
> As you know running a full suite of write benchmarks takes a very long
> time, with results often being inconclusive (noise is greater than
> effect we are trying to measure).
I didn't say that. What I said is that over a full suite of write
benchmarks, the effect of changes like this has always averaged out to
zero. You should try it sometime. Then we can have a useful discussion
of non-trivial results instead of you continuing to tell me I don't
understand things.
--
Greg Smith 2ndQuadrant US greg@2ndQuadrant.com Baltimore, MD
PostgreSQL Training, Services, and 24x7 Support www.2ndQuadrant.com
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Cc: greg@2ndQuadrant.com, ants@cybertec.at, hlinnakangas@vmware.com, kondo.mitsumasa@lab.ntt.co.jp
Subject: Re: Improvement of checkpoint IO scheduler for stable transaction responses
In-Reply-To: <51E677E7.6070803@2ndQuadrant.com>
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