This is an idle wait and is recorded for the job queue background processes, not the foreground user processes. When a job queue process is between jobs this wait timer starts. If there are no more jobs to run this wait increases. David Fitzjarrell ________________________________ From: Anupam Pandey <my.oralce@xxxxxxxxx> To: oracle Freelists <oracle-l@xxxxxxxxxxxxx> Cc: pandey83@xxxxxxxxx Sent: Mon, September 20, 2010 1:27:12 AM Subject: cause of "jobq slave wait" Hi All, In my 11gR2 db I see there quite a few wait events of name "jobq slave wait" . What causes these wait events and is there any way to avoid these events . Thanks And Regards, Anupam