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Home -> Community -> Mailing Lists -> Oracle-L -> RE: poor parse/execute ratio.. next steps?
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
Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists --------------------------------------------------------------------To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists --------------------------------------------------------------------To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). Received on Mon Nov 26 2001 - 13:23:11 CST
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