When the wait happens, what's V$SESSION_WAIT tell you? log file sync? Have you looked at the performance characteristics of the disk where the online redo log is? -Mark -- Mark J. Bobak Senior Database Administrator, System & Product Technologies ProQuest 789 E. Eisenhower, Parkway, P.O. Box 1346 Ann Arbor MI 48106-1346 +1.734.997.4059 or +1.800.521.0600 x 4059 mark.bobak@xxxxxxxxxxxx www.proquest.com www.csa.com ProQuest...Start here. -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Yechiel Adar Sent: Wednesday, August 13, 2008 12:50 PM To: ORACLE-L Subject: Wait on commit Oracle 10.2 on windows rac. I have a procedure that is working fine until it does commit and then everything stops for a few seconds. Since this is a web application this is not acceptable. Causes and solutions please. -- Adar Yechiel Rechovot, Israel -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l