We keep getting issues with IFS where the application grinds to almost a stop. Tasks that should take a few seconds take 10minutes and users can no longer log on. When we look in the Oracle alert log we see lots of occurrences of ORA 3136. Episodes like this seem to last about one hour then the application returns to normal use. We noticed that memory utilization on one or other of the extended servers shoots up to 100% during the onset of these events but we cannot find any reason for this. It tends to happen at about 9am and 4pm when there is more login/logout activity and a bit around lunch time ~noon but can see no real cause. It doesn’t happen everyday. It was very bad last Friday and Monday of this week. Since then it’s performed well . Has anyone seen anything similar please?
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