| From: | Greg Smith <greg(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Ants Aasma <ants(at)cybertec(dot)at> |
| Cc: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, KONDO Mitsumasa <kondo(dot)mitsumasa(at)lab(dot)ntt(dot)co(dot)jp> |
| Subject: | Re: Improvement of checkpoint IO scheduler for stable transaction responses |
| Date: | 2013-07-17 10:54:31 |
| Message-ID: | 51E677E7.6070803@2ndQuadrant.com |
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| Lists: | pgsql-hackers |
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(at)2ndQuadrant(dot)com Baltimore, MD
PostgreSQL Training, Services, and 24x7 Support www.2ndQuadrant.com
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