Re: [SQL] Monitoring a Query

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Roberto Mello <rmello(at)cc(dot)usu(dot)edu>
Cc: Neil Conway <neilc(at)samurai(dot)com>, Aaron Held <aaron(at)MetroNY(dot)com>, pgsql-sql(at)postgresql(dot)org, pgsql-general(at)postgresql(dot)org
Subject: Re: [SQL] Monitoring a Query
Date: 2002-09-24 00:27:56
Message-ID: 200209240027.g8O0Ru512898@candle.pha.pa.us
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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.

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