| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Turning off HOT/Cleanup sometimes |
| Date: | 2014-09-27 08:29:49 |
| Message-ID: | 20140927082949.GA5423@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2014-09-27 10:23:33 +0300, Heikki Linnakangas wrote:
> This patch has gotten a fair amount of review, and has been rewritten once
> during the commitfest. I think it's pretty close to being committable, the
> only remaining question seems to be what to do with system catalogs. I'm
> marking this as "Returned with feedback", I take it that Simon can proceed
> from here, outside the commitfest.
FWIW, I don't think it is, even with that. As is it seems very likely
that it's going to regress a fair share of workloads. At the very least
it needs a fair amount of benchmarking beforehand.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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