| From: | Ruben Rubio Rey <ruben(at)rentalia(dot)com> |
|---|---|
| To: | john_oshea(at)wordbank(dot)com |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: SQL CPU time usage |
| Date: | 2006-05-18 14:52:23 |
| Message-ID: | 446C8A27.9030100@rentalia.com |
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| Thread: | |
| Lists: | pgsql-performance |
john_oshea(at)wordbank(dot)com wrote:
> 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)
>
thanks
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