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Oracle 11gr2 CPU 100% (No OEM installed)

edited Jan 22, 2012 5:34PM in Database Tuning (MOSC) 4 comments
Hi!
Please help me on this. I have an Oracle 11gr2 on a Windows 2008x64 hp host.  2 dual core.  4 Gb RAM.

We installed on last Octuber 21. On a week after we have CPU 100% issues with the OEM. So we desinstalled. We have no OEM now. But the CPU raise to 100% each 8 days.  The OS process with 100% is ORACLE.EXE.  The oracle users did not run heavy load. I don't understand why the problem is each 8 days. I stop the DB, the CPU raise normal levels of 10-15% and them raise to 100%.    That behaviour was until yesterday. Today the CPU raise 100% two or three times at day.  We have not installed nothing. Yesterday we done

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