| From: | Julien Rouhaud <rjuju123(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, 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: | 2020-10-14 14:34:31 |
| Message-ID: | CAOBaU_bGOT-6T4CSFc=VXviJXKYaUr2RXK_pRjVN38wMFj+ivg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Oct 14, 2020 at 10:31 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > Is there a measureable overhead when this is turned on, since it is off
> > by default and maybe should default to on.
>
> I don't believe that "default to on" can even be in the discussion.
> There is no in-core feature that would use this by default.
If the 2nd patch is applied there would be pg_stat_activity.queryid
column, but I doubt that's a strong enough argument.
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