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Re: Selects query stats?

From: "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
To: Robin Ericsson <lobbin(at)gmail(dot)com>
Cc: Dan Gorman <dgorman(at)hi5(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Selects query stats?
Date: 2006-05-24 21:33:53
Message-ID: 20060524213352.GN59464@pervasive.com (view raw or flat)
Thread:
Lists: pgsql-performance
On Wed, May 24, 2006 at 12:27:41PM +0200, Robin Ericsson wrote:
> On 5/23/06, Dan Gorman <dgorman(at)hi5(dot)com> wrote:
> >
> >In any other DB (oracle, mysql) I know how many queries (selects) per 
> >second
> >the database is executing. How do I get this
> >number out of postgres?
> 
> Mysql does AFAIR only count the number of queries and then uses the
> "seconds since startup" to estimate the number of queries per second.
> If your server is hammered with queries 1 hour a day it's not giving
> you a fair result.

Somehow that doesn't surprise me...

In any case, if we at least provide a raw counter, it's not that hard to
turn that into selects per second over some period of time.
-- 
Jim C. Nasby, Sr. Engineering Consultant      jnasby(at)pervasive(dot)com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461

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