Re: Checkpointer on hot standby runs without looking checkpoint_segments
Robert Haas <robertmhaas@gmail.com>
From: Robert Haas <robertmhaas@gmail.com>
To: Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>
Cc: simon@2ndquadrant.com, pgsql-hackers@postgresql.org, heikki.linnakangas@enterprisedb.com, masao.fujii@gmail.com
Date: 2012-07-02T17:03:15Z
Lists: pgsql-hackers
On Mon, Jul 2, 2012 at 5:08 AM, Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp> wrote: > I don't know why you hate to decrease checkpoint interval so much > despite I proposed to do so only during WAL streaming (and > additionaly allowing it to be optional), we have another and > enough reason to want *to be able* to do so. Averaging disk usage > is not a trivial issue for some users or - I suppose (or hope?) - > not a few users. This is a subject not only of resource limit but > also of operation management. I agree. I think there should be a way to do this. I see the problem with the proposed patch, but I think that means we need a better idea, not that the problem is unimportant. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company