public inbox for [email protected]  

help / color / mirror / Atom feed

From: Kouber Saparev <[email protected]>
To: Tom Lane <[email protected]>
Cc: [email protected]
Subject: Re: Indexes documentation bug
Date: Mon, 4 Apr 2022 17:11:45 +0300
Message-ID: <CAN4RuQvo-ZAm0HBWLLPp80aSM+15fC4N1bE=iATXzaS9D5ShMw@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CAN4RuQv-nVDGLEu3J19CLWBUTf-HHB=Vsf=YL=LVvXbc06cCTw@mail.gmail.com>
	<[email protected]>

My bad, yes indeed, the view is different.

На пн, 4.04.2022 г. в 17:01 ч. Tom Lane <[email protected]> написа:

> Kouber Saparev <[email protected]> writes:
> > I believe there is an error within this sentence in section
> >
> https://www.postgresql.org/docs/current/monitoring-stats.html#MONITORING-PG-STAT-USER-FUNCTIONS-VIEW
>
> > "Therefore, a bitmap scan increments the
> > pg_stat_all_indexes.idx_tup_read count(s)
> > for the index(es) it uses, and it increments the pg_stat_all_tables.
> > idx_tup_fetch count for the table, but it does not affect
> > pg_stat_all_indexes.idx_tup_fetch."
>
> > There is repeated mentioning of pg_stat_all_indexes.idx_tup_fetch while I
> > suppose one should read  pg_stat_all_indexes.idx_scan instead the second
> > time. I.e. bitmap scans do not increment idx_scan.
>
> Um ... you did notice that the mentions of idx_tup_fetch apply to two
> different views, pg_stat_all_tables vs pg_stat_all_indexes?
>
>                         regards, tom lane
>

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected]
  Subject: Re: Indexes documentation bug
  In-Reply-To: <CAN4RuQvo-ZAm0HBWLLPp80aSM+15fC4N1bE=iATXzaS9D5ShMw@mail.gmail.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox