| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Julien Rouhaud <rjuju123(at)gmail(dot)com> |
| Cc: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Nitin Jadhav <nitinjadhavpostgres(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Hannu Krosing <hannuk(at)google(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Michael Paquier <michael(at)paquier(dot)xyz>, torikoshia <torikoshia(at)oss(dot)nttdata(dot)com>, Atsushi Torikoshi <atorik(at)gmail(dot)com>, Tatsuro Yamada <tatsuro(dot)yamada(dot)tf(at)nttcom(dot)co(dot)jp>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Evgeny Efimkin <efimkin(at)yandex-team(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Feature improvement: can we add queryId for pg_catalog.pg_stat_activity view? |
| Date: | 2021-04-08 15:17:00 |
| Message-ID: | 20210408151700.GB2439@momjian.us |
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| Thread: | |
| Lists: | pgsql-hackers |
On Thu, Apr 8, 2021 at 09:31:27PM +0800, Julien Rouhaud wrote:
> On Thu, Apr 08, 2021 at 08:27:20PM +0800, Julien Rouhaud wrote:
> > On Thu, Apr 08, 2021 at 05:46:07PM +0530, Amit Kapila wrote:
> > >
> > > @@ -1421,8 +1421,9 @@ ParallelQueryMain(dsm_segment *seg, shm_toc *toc)
> > > /* Setting debug_query_string for individual workers */
> > > debug_query_string = queryDesc->sourceText;
> > >
> > > - /* Report workers' query for monitoring purposes */
> > > + /* Report workers' query and queryId for monitoring purposes */
> > > pgstat_report_activity(STATE_RUNNING, debug_query_string);
> > > + pgstat_report_queryid(queryDesc->plannedstmt->queryId, false);
> > >
> > >
> > > Below lines down in ParallelQueryMain, we call ExecutorStart which
> > > will report queryid, so do we need it here?
> >
> > Correct, it's not actually needed. The overhead should be negligible but let's
> > get rid of it. Updated fix patchset attached.
>
> Sorry I messed up the last commit, v4 is ok.
Patch applied, thanks.
--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com
If only the physical world exists, free will is an illusion.
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