Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> c.d.o.server -> Re: Maxing CPU

Re: Maxing CPU

From: Kai Poitschke <kai.poitschke_at_computer.org>
Date: Sat, 28 Nov 1998 00:50:59 +0100
Message-ID: <365F3AE3.559A9741@computer.org>


Wayne S. March wrote:
>
> To All,
>
>
> Now when 10 or so users run reports I sometimes notice that Oracle is
> running all
> four cpus at 100%..Any Ideas
>
> Wayne

Wayne,
from my experience as a data warehouse expert, it looks like the optimizer ignored some (all) indexes (if there are any). Use tkprof to analyze the situation (if you can enable sql trace in your reports).

Happy computing
Kai
--
Unix, WinNT and MS-DOS. The Good, The Bad and The Ugly.

Kai Poitschke       MailTo:kai.poitschke[at]computer.org
Sülzburgstr. 17     Phone : +49 (0) 221 / 42 21 07
D-50937 Köln        Fax   : +49 (0) 221 / 9 41 61 44
Received on Fri Nov 27 1998 - 17:50:59 CST

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US