Re: timed statistics

From: Paul Singer <singerap_at_powergrid.electriciti.com>
Date: Wed, 7 Dec 1994 23:36:37
Message-ID: <singerap.36.00179CEE_at_powergrid.electriciti.com>


In article <D0G7FD.7An_at_ottnews.shl.com> mbelle_at_ottnews.shl.com (Marc Bellefeuille) writes:
>From: mbelle_at_ottnews.shl.com (Marc Bellefeuille)
>Subject: timed statistics
>Date: Wed, 7 Dec 1994 16:06:48 GMT

>Hi there!
 

>I am wondering if when setting the init.ora parameter "timed_statistics"
>to "TRUE" has a major impact on performance.
 

>Does anyone have some experience as to what percentage of performance loss
>I would get if I set this init.ora parameter to true?
 

>Could you respond via e-mail because our news feed has been quite slow of
>late.

I cannot tell you exacty how much slow it made thing. However, I can tell you it was quit noticable. I could not recomed this for production database. When I tund timed statistics on the users said every thing ran four times slower. This was on a Sequent system with 6 processors.

>Thanks a bunch
 

>Marc Bellefeuille
>SHL Systemhouse
>Ottawa, Ontario
>email: mbelle_at_ottnews.shl.com
Received on Wed Dec 07 1994 - 23:36:37 CET

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