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Re: poor parse/execute ratio.. next steps?

From: Doug C <dcowles_at_i84.net>
Date: Mon, 26 Nov 2001 22:06:23 -0800
Message-ID: <F001.003CD5DE.20011126214516@fatcity.com>

Thanks... will do

On Mon, 26 Nov 2001 11:10:39 -0800, you wrote:

>Doug - I would suggest that you start by trying to identify the worst
>offenders in your SQL code. If modifying the source code is an option, you
>can use Pareto's rule (80/20 principle) to identify the worst offenders. In
>my experience, the worst troublemakers are batch reports that can flood your
>SQL with non-reusable SQL that quickly ages out the good (reusable SQL).
>Individual screens where users enter the occasional query with non-bound
>variables
> Once you exhaust the options for modifying code, or if your
>situation won't let you use that option, take a look at the init.ora
>parameter cursor_sharing=force. Be sure to read the available notes on this
>because there are several caveats. This has been discussed several times on
>this list, so search the archives. Personally, I would try the manual option
>first, but I haven't tried the cursor_sharing=force alternative.
>Dennis Williams
>DBA
>Lifetouch, Inc.
>dwilliams_at_lifetouch.com
>
>
>-----Original Message-----
>Sent: Friday, November 23, 2001 5:00 PM
>To: Multiple recipients of list ORACLE-L
>
>
>50% - pretty bad for a system that's been up for one week.
>I checked and found that there were a few cases, blatent, that bind
>variables
>weren't being used. What's the next step? Increase the shared pool?
>Is there any way I can monitor how often statements are being aged out?
>
>Thanks.
>--
>Please see the official ORACLE-L FAQ: http://www.orafaq.com
>--
>Author: Doug C
> INET: dcowles_at_i84.net
>
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--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Doug C
  INET: dcowles_at_i84.net

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
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Received on Tue Nov 27 2001 - 00:06:23 CST

Original text of this message

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