From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Roberto Mello <rmello@cc.usu.edu>
Cc: Neil Conway <neilc@samurai.com>
Cc: Aaron Held <aaron@MetroNY.com>
Cc: pgsql-sql@postgresql.org
Cc: pgsql-general@postgresql.org
Subject: Re: [SQL] Monitoring a Query
Date: Mon, 23 Sep 2002 20:27:56 -0400 (EDT)
Message-ID: <200209240027.g8O0Ru512898@candle.pha.pa.us> (raw)
In-Reply-To: <20020923220116.GE2180@cc.usu.edu>
Roberto Mello wrote:
> On Mon, Sep 23, 2002 at 10:48:30AM -0400, Bruce Momjian wrote:
> > > > >
> > > > > Would it be a good idea to add the time that the current query began
> > > > > execution at to pg_stat_activity?
> > > >
> > > > What do people think about this? It seems like a good idea to me.
> > >
> > > OpenACS has a package called "Developer Support" that shows you (among
> > > other things) how long a query took to be executed. Very good to finding
> > > out slow-running queries that need to be optimized.
> >
> > 7.3 will have GUC 'log_duration' which will show query duration.
>
> Forgive my ignorance here, but what is GUC? And how would I access the
> query duration?
GUC is postgresql.conf and SET commands. They are variables that can be
set.
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
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To: pgsql-sql@postgresql.org
Cc: pgman@candle.pha.pa.us, rmello@cc.usu.edu, neilc@samurai.com, aaron@MetroNY.com, pgsql-general@postgresql.org
Subject: Re: [SQL] Monitoring a Query
In-Reply-To: <200209240027.g8O0Ru512898@candle.pha.pa.us>
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