Skip site navigation (1) Skip section navigation (2)

Re: Selects query stats?

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Alvaro Herrera <alvherre(at)commandprompt(dot)com>, "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>, Dan Gorman <dgorman(at)hi5(dot)com>, mischa(at)ca(dot)sophos(dot)com, pgsql-performance(at)postgresql(dot)org
Subject: Re: Selects query stats?
Date: 2006-05-23 21:47:16
Message-ID: 1148420837.2755.196.camel@localhost.localdomain (view raw or flat)
Thread:
Lists: pgsql-performance
On Tue, 2006-05-23 at 15:55 -0400, Tom Lane wrote:
> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> > OTOH ISTM it would be easy to modify Postgres so as to count statements
> > in the stat collector, by turning pgstat_report_activity into a routine
> > that sent a count (presumably always 1) instead of the query string, and
> > then just add the count to a counter on receiving.
> 
> You wouldn't have to change the backends at all, just modify the
> collector to count the number of report_activity messages received.
> Might have to play some games with ignoring "<IDLE>" messages, but
> otherwise simple (and simplistic...)

The OP wanted statements/sec rather than just a total.

Having stats logged by time would be very useful, but I wouldn't limit
that just to numbers of statements in each time period.

stats_logging_interval = 60 by default, 0 to disable, range 5-3600

-- 
  Simon Riggs
  EnterpriseDB          http://www.enterprisedb.com


In response to

pgsql-performance by date

Next:From: Mischa SandbergDate: 2006-05-23 22:18:49
Subject: Re: Selects query stats?
Previous:From: Guillaume SmetDate: 2006-05-23 20:04:36
Subject: Re: Selects query stats?

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group