The CPU Busy alarm occurs when the total CPU utilization of the system exceeds a threshold. The CPU may encounter a large number of requests, or you may have un-tuned SQL, which unnecessarily uses excessive amounts of CPU.
Determine where excessive amounts of CPU are being used.
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Find out which processes use the most CPU |
Use the server’s operating system tool, such as top on UNIX, or Task Manager on Windows. |
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Find out if a particular session is using CPU excessively |
Use the Top Sessions drilldown. |
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