From: | Tom DalPozzo <t(dot)dalpozzo(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: tuple statistics update |
Date: | 2017-04-19 07:34:45 |
Message-ID: | CAK77FCRnW5gqa24Dc+t+AXTs1o2rjzWKqXn_GxAgopbK+W5XHA@mail.gmail.com |
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Lists: | pgsql-general |
2017-04-18 22:06 GMT+02:00 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> Tom DalPozzo <t(dot)dalpozzo(at)gmail(dot)com> writes:
> > Hi, I'm using libpq to insert tuples in my table and keep looking at
> > statistics through psql instead.
> > I noticed that sometimes n_tuple_ins is not updated even after 1 min that
> > my transaction committed.
>
> If your session is just sitting, that's not surprising. I think stats
> updates are only transmitted to the collector at transaction end (and
> even then, only if it's been at least N msec since the last transmission
> from the current session).
>
> regards, tom lane
>
Hi, my transaction ended, that I waited 1 min and queried the stat.
I had to wait for session end in order to see the updeted stats.
Did you mean "...to the collector at SESSION end"?
Regards
Pupillo
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