Re: Improvement of checkpoint IO scheduler for stable transaction responses

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: KONDO Mitsumasa <kondo(dot)mitsumasa(at)lab(dot)ntt(dot)co(dot)jp>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Improvement of checkpoint IO scheduler for stable transaction responses
Date: 2013-06-12 14:07:12
Message-ID: CA+Tgmob=y7_fgA=01RQgHRugit8Yiwf47QvsdPfny4OZSfYmKg@mail.gmail.com
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On Mon, Jun 10, 2013 at 3:48 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> On 10 June 2013 11:51, KONDO Mitsumasa <kondo(dot)mitsumasa(at)lab(dot)ntt(dot)co(dot)jp> wrote:
>> I create patch which is improvement of checkpoint IO scheduler for stable
>> transaction responses.
>
> Looks like good results, with good measurements. Should be an
> interesting discussion.

+1.

I suspect we want to poke at the algorithms a little here and maybe
see if we can do this without adding new GUCs. Also, I think this is
probably two separate patches, in the end. But the direction seems
good to me.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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