Re: SQL CPU time usage

On 17 May 2006, at 16:21, Ruben Rubio Rey wrote:

> I have a web page, that executes several SQLs.
>
> So, I would like to know witch one of those SQLs consumes more CPU.
> For example,
> I have SQL1 that is executed in 1.2 secs and a SQL2 that is
> executed in 200 ms.
>
> But SQL2 is executed 25 times and SQL1 is executed 1 time, so
> really SQL2 consumes more CPU time.
>
> Is there any way to know this?
> I have think that logging all SQLs and then cheking it is a way to
> do it ... any other idea?

Practical Query Analysis: <http://pqa.projects.postgresql.org/> does
exactly that (scan historic logs). Very nice indeed and more than
worth the money (it's BSD-licensed)

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