Database Tuning (MOSC)

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Application Session Hung Issues

edited Mar 20, 2013 8:00PM in Database Tuning (MOSC) 2 commentsAnswered

Hello,

We have application frequently hung issues some times. last week it happened one day and yesterday application freeze up again. I checked the locks, it did have lock on a table for two frezzed session but application vendor doesn't think it is application DB design problem. there are 5 to 6 users session freeze up, most of them had lock problem. their DB session status is always ACTIVE,waiting for lock release and the SQL statment is update a table. I had to frequently kill user DB sessions which made application looked not function very well.

This problems happened after we upgraded our application from desktop version to web version. right now we set Oracle Form session-timeout is 120 minutes and DB idle time is 120 minutes but users said their session freeze up less than 120 minute idle time.

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