Re: Let PostgreSQL's On Schedule checkpoint write buffer smooth spread cycle by tuning IsCheckpointOnSchedule?

From: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
To: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
Cc: hlinnaka <hlinnaka(at)iki(dot)fi>, Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, Simon Riggs <simon(at)2ndquadrant(dot)com>, digoal zhou <digoal(dot)zhou(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Let PostgreSQL's On Schedule checkpoint write buffer smooth spread cycle by tuning IsCheckpointOnSchedule?
Date: 2015-08-25 12:50:12
Message-ID: CAB7nPqQ2kP5gjb12bX67GgtrGkH6NikgrGi-evrOK4pO1Gq5yA@mail.gmail.com
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On Mon, Jul 6, 2015 at 12:30 PM, Amit Kapila wrote:
> Yes, we definitely want to see the effect on TPS at the beginning of
> checkpoint,
> but even measuring the IO during checkpoint with the way Digoal was
> capturing
> the data can show the effect of this patch.

I am marking this patch as returned with feedback.
--
Michael

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