On Thu, Dec 24, 2015 at 8:02 AM, Michael Paquier <michael.paquier@gmail.com> wrote: > > On Tue, Nov 17, 2015 at 8:36 PM, Vladimir Borodin <root@simply.name> wrote: > > > > 14 нояб. 2015 г., в 10:50, Amit Kapila <amit.kapila16@gmail.com> написал(а): > > > > On Wed, Sep 16, 2015 at 11:22 PM, Robert Haas <robertmhaas@gmail.com> wrote: > >> On Wed, Sep 16, 2015 at 12:29 PM, Alexander Korotkov > >> <aekorotkov@gmail.com> wrote: > > > > One thing that occurred to me in this context is that if we store the wait > > event information in PGPROC, then can we think of providing the info > > about wait events in a separate view pg_stat_waits (or pg_stat_wait_info or > > any other better name) where we can display wait information about > > all-processes rather than only backends? This will avoid the confusion > > about breaking the backward compatibility for the current 'waiting' column > > in pg_stat_activity. > > > > pg_stat_waits can have columns: > > pid - Process Id > > wait_class_name - Name of the wait class > > wait class_event - name of the wait event > > > > We can extend it later with the information about timing for wait event. > > > > Also, if we follow this approach, I think we don't need to store this > > information in PgBackendStatus. > > > > > > Sounds like exactly the same that was proposed by Ildus in this thead [0]. > > Great to be thinking in the same direction. And on the rights of > > advertisements I’ve somehow described using all those views here [1]. > > > > [0] http://www.postgresql.org/message-id/559D4729.9080704@postgrespro.ru > > [1] https://simply.name/pg-stat-wait.html > > This thread has stalled a bit and is waiting for new patches for some > time now, hence I have switched it as "returned with feedback" on the > CF app. >
The reason for not updating the patch related to this thread is that it is
dependent on the work for refactoring the tranches for LWLocks [1]
which is now coming towards an end, so I think it is quite reasonable
that the patch can be updated for this work during commit fest, so