Re: how to find the most resource intensive sql?
- From: "Ryan" <ryan.gaffuri@xxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 11 Mar 2004 22:15:57 -0500
it was a question. they were looking for a buzzword response. I don't have
one. I thought there might be one.
----- Original Message -----
From: "Tim Johnston" <tjohnston@xxxxxxxxxxxx>
To: <oracle-l@xxxxxxxxxxxxx>
Sent: Thursday, March 11, 2004 7:22 PM
Subject: Re: how to find the most resource intensive sql?
> Can they start a sql trace from the app? If not, can you identify the
> session (i.e. By looking at things like the machine, program and
> username fields in v$session)? If so, have the user log on and start a
> trace in their session (check out the dbms_system package)... Have the
> user run through screens until the encounter the problem... Then
> examine the resulting trace file for the problem SQL... Usually, I skip
> straight to a 10046 at level 12 so I also get the bind variables and
> wait events... oops... make that timed events...
>
> :-)
>
> Tim
>
> Lim, Binley wrote:
>
> >
> >
> >>'A user comes to you and says they get to a point in the application and
> >>
> >>
> >hit
> >
> >
> >>a button. It's slow. You do not have any access to the application. How
do
> >>you find the problem query in the database'
> >>
> >>
> >
> >In a (preferably) test system, ask the user to get to the point just
before
> >the "button".
> >
> >Flush the shared_pool, then push the button.
> >
> >This communication is confidential and may contain privileged material.
> >If you are not the intended recipient you must not use, disclose, copy or
retain it.
> >If you have received it in error please immediately notify me by return
email
> >and delete the emails.
> >Thank you.
> >----------------------------------------------------------------
> >Please see the official ORACLE-L FAQ: http://www.orafaq.com
> >----------------------------------------------------------------
> >To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx
> >put 'unsubscribe' in the subject line.
> >--
> >Archives are at //www.freelists.org/archives/oracle-l/
> >FAQ is at //www.freelists.org/help/fom-serve/cache/1.html
> >-----------------------------------------------------------------
> >
> >
>
> --
> Regards,
> Tim Johnston
> Tel: 978-322-4226
> Fax: 978-322-4100
>
>
> ----------------------------------------------------------------
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> ----------------------------------------------------------------
> To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx
> put 'unsubscribe' in the subject line.
> --
> Archives are at //www.freelists.org/archives/oracle-l/
> FAQ is at //www.freelists.org/help/fom-serve/cache/1.html
> -----------------------------------------------------------------
----------------------------------------------------------------
Please see the official ORACLE-L FAQ: http://www.orafaq.com
----------------------------------------------------------------
To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx
put 'unsubscribe' in the subject line.
--
Archives are at //www.freelists.org/archives/oracle-l/
FAQ is at //www.freelists.org/help/fom-serve/cache/1.html
-----------------------------------------------------------------
Other related posts:
