Hi All, I ran a XMLP concurrent program at 16-APR-2015 11:23:52 . It's completed at 16-APR-2015 11:30:41. So it took 6 minute 49 seconds. I check the query in sql developer, it's executing less than two minutes. When I check the log file of that program shows the following info... Beginning post-processing of request 22226009 on node XXXXXXXX at 16-APR-2015 11:24:43. Post-processing of request 22226009 completed at 16-APR-2015 11:30:41. So what is the reason?, and how to reduce the time?