From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
---|---|
To: | Peter Geoghegan <pg(at)heroku(dot)com> |
Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Minor documentation tweak to pg_stat_all_tables view description |
Date: | 2014-12-04 22:56:06 |
Message-ID: | 20141204225606.GC21964@awork2.anarazel.de |
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Lists: | pgsql-hackers |
On 2014-12-04 14:43:43 -0800, Peter Geoghegan wrote:
> Attached patch makes minor modification to the pg_stat_all_tables
> documentation. This clarifies that pg_stat_*_tables.n_tup_upd includes
> HOT updates.
Ah. Good idea. I've been asked that by others and myself quite a number
of times and had to check the code every time.
> diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
> index b29e5e6..3ce7e80 100644
> --- a/doc/src/sgml/monitoring.sgml
> +++ b/doc/src/sgml/monitoring.sgml
> @@ -1226,7 +1226,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
> <row>
> <entry><structfield>n_tup_upd</></entry>
> <entry><type>bigint</></entry>
> - <entry>Number of rows updated</entry>
> + <entry>Number of rows updated (includes HOT updated rows)</entry>
> </row>
> <row>
> <entry><structfield>n_tup_del</></entry>
I wondered for a sec whether it'd be better to refer to n_tup_hot_upd
here, but decided you were right.
Pushed.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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