Re: checkpointer continuous flushing - V18

From: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: PostgreSQL Developers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: checkpointer continuous flushing - V18
Date: 2016-02-19 21:46:44
Message-ID: alpine.DEB.2.10.1602192241570.3927@sto
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Hello Andres,

> Here's the next two (the most important) patches of the series:
> 0001: Allow to trigger kernel writeback after a configurable number of writes.
> 0002: Checkpoint sorting and balancing.

I will look into these two in depth.

Note that I would have ordered them in reverse because sorting is nearly
always very beneficial, and "writeback" (formely called flushing) is then
nearly always very beneficial on sorted buffers.

--
Fabien.

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