| From: | Masahiko Sawada <sawada(dot)mshk(at)gmail(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: | 2017-02-13 06:36:00 |
| Message-ID: | CAD21AoAsibpq5Ro_wAzQzseftf26zpHDE84WP+yz9JL2Zes1fA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Feb 11, 2017 at 7:00 AM, Robert Haas <robertmhaas(at)gmail(dot)com> 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.
+1
> 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.
Also, I've been proposing to report the number of skipped the frozen
pages even in manual vacuum verbose log.
Regards,
--
Masahiko Sawada
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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