| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Reporting xmin from VACUUMs |
| Date: | 2017-02-10 22:18:28 |
| Message-ID: | 20170210221828.jj2jnuwk4zxv7boq@alvherre.pgsql |
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| Lists: | pgsql-hackers |
Robert Haas wrote:
> On Fri, Feb 10, 2017 at 3:30 AM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> > We've added xmin info to pg_stat_activity and pg_stat_replication, but
> > VACUUM doesn't yet report which xmin value it used when it ran.
> >
> > Small patch to add this info to VACUUM output.
>
> It seems sensible to me to do something like this. We already report
> a lot of other fine details, so what's one more? And it could be
> useful.
Yeah, I can see how this can be useful to debug some hard-to-track
problems. The patch looks sensible to me.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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