| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, "Seki, Eiji" <seki(dot)eiji(at)jp(dot)fujitsu(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Proposal: GetOldestXminExtend for ignoring arbitrary vacuum flags |
| Date: | 2017-02-15 10:59:06 |
| Message-ID: | 20170215105906.6honezzknuc5objd@alvherre.pgsql |
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| Thread: | |
| Lists: | pgsql-hackers |
Michael Paquier wrote:
> On Wed, Feb 15, 2017 at 5:32 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> > Please persuade us with measurements that allowing this impact on
> > ANALYZE would really improve performance at least in your case, and
> > also examine the effect of this on the accuracy and usefulness of the
> > gathered statistics.
>
> FWIW, there was last week a developer meeting in Tokyo, and Seki-san
> has presented such measurements. So it is not like nothing exists in
> this area.
Sounds like it'd be a good idea to present these results to this list,
too.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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