We just upgraded our data warehouse from version 8.0.4 to version 8.1.7.2 of Oracle. We run on Sun Solaris 2.6 vith Veritas Quick I/O.
We do an analyze compute nightly with a 10% estimate of our large, main fact table. Before the upgrade, the analyze ran for 45 minutes. Since the upgrade, it's run three times at a consistent 90 minutes. I am trying to research on Metalink but have not had much success. Why would this analyze suddenly run longer? I wouldn't think that analyze code is being modified much in new releases. All the effort would go into new packages like DBMS_STATS. Is anyone aware of analyze changing in 8i. Our analyze was of a partitioned table and was single-threaded, not parallel. I can see that it is still single-threaded. We really didn't change much during the upgrade. I added another datafile to the SYSTEM tablespace (on the same file system as the previous file). I also changed parallel_threads_per_cpu from 2 to 0. However, since we never did the analyze in parallel, I don't think it was an issue. Any other ideas? I'd like to be able to give our application owners some explanation. Thanks, Cherie -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: INET: [EMAIL PROTECTED] 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: [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).
