| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | simon(at)2ndquadrant(dot)com, pgsql-hackers(at)postgresql(dot)org, heikki(dot)linnakangas(at)enterprisedb(dot)com, masao(dot)fujii(at)gmail(dot)com |
| Subject: | Re: Checkpointer on hot standby runs without looking checkpoint_segments |
| Date: | 2012-07-02 17:03:15 |
| Message-ID: | CA+Tgmob=4QJAQPx2jPoB2508aYyB2FgM+1XDhN5JTryJBEsCSw@mail.gmail.com |
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On Mon, Jul 2, 2012 at 5:08 AM, Kyotaro HORIGUCHI
<horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)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
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