Raj - I personally favor using the simpler diagnostics first. Why not run your SQL through EXPLAIN PLAN and see which SQL is performing sorts? My immediate guess is that under RBO an index was being used that isn't now. Dennis Williams DBA Lifetouch, Inc. [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
-----Original Message----- Sent: Tuesday, September 17, 2002 9:34 AM To: Multiple recipients of list ORACLE-L I have a problem with a process and its temp segment usage. Previously, in RBO (8161) we used to run 8 reports with slightly different parameters in parallel and it used to work fine with all other load on the system and the total TEMP space was 6GB Since we migrated to CBO (all tables & indexes are analyzed using estimate), these processes fail with unable to extent temp segment error. Currently we have allocated 12GB to temp tablespace. I also have performance issues so I am doing a 10046 trace at level 8 on this one. Is there a way to identify when this process used temp space, how much and when does it de-allocate? Would this information be available in 10046 trace or is there something else that I could do to track that ... Thanks in advance Raj ______________________________________________________ Rajendra Jamadagni MIS, ESPN Inc. Rajendra dot Jamadagni at ESPN dot com Any opinion expressed here is personal and doesn't reflect that of ESPN Inc. QOTD: Any clod can have facts, but having an opinion is an art! -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: DENNIS WILLIAMS INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (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).