| From: | David Fetter <david(at)fetter(dot)org> |
|---|---|
| To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Guillaume Smet <guillaume(dot)smet(at)gmail(dot)com> |
| Subject: | Re: log_duration is redundant, no? |
| Date: | 2006-09-09 17:48:30 |
| Message-ID: | 20060909174830.GA19324@fetter.org |
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| Lists: | pgsql-hackers |
On Sat, Sep 09, 2006 at 06:33:10PM +0200, Peter Eisentraut wrote:
> Alvaro Herrera wrote:
> > Bruce Momjian wrote:
> > > #2, I think, but I am confused if you don't know the query, how
> > > valuable is the log_duration.
> >
> > Statistics?
>
> I doubt that there is a statistical merit to calculating aggregate
> values over the duration of an anonymous set of queries.
"How heavily loaded is the server" is a perfectly legitimate metric to
have available, especially when more detailed, i.e. more invasive
probes could bring it down.
Cheers,
D
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
phone: +1 415 235 3778 AIM: dfetter666
Skype: davidfetter
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