| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Cédric Villemain <cedric(dot)villemain(dot)debian(at)gmail(dot)com>, Mitsuru IWASAKI <iwasaki(at)jp(dot)freebsd(dot)org>, greg <greg(at)2ndquadrant(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: patch for new feature: Buffer Cache Hibernation |
| Date: | 2011-10-14 15:29:36 |
| Message-ID: | 22407.1318606176@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Fri, Oct 14, 2011 at 11:12 AM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
>> OK. But if we are pretty sure we don't want something, e.g. hibernate,
>> we shouldn't add it.
> Fair enough, but I'm not even slightly sure that we don't want that.
> I think having prewarming utilities available as contrib modules or on
> PGXN would be useful, but integrating something into the backend would
> allow it to be far more automated.
Right. I think this one falls into my class #2, ie, we have no idea how
to implement it usefully. Doesn't (necessarily) mean that the core
concept is without merit.
regards, tom lane
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