Detailing Oracle CPU Consumption (BGOUG 23-Nov-2013)
This presentation was created and given by Craig Shallahamer at the November 2013 BGOUG conference in Bulgaria. This is popular presentation, so there will likely be updated versions available. To find them do an OraPub search for "cpu link".
There is a amazing tool referenced in this presentation call, fulltime.sh. Do an OraPub search for "fulltime" to find it.
Detailing Oracle CPU Consumption: The Missing Link
Oracle has the world's most advanced database wait time instrumentation. However, Oracle does not instrument CPU consumption. This presents the Oracle DBA with a tuning handicap because CPU consumption can be a significant component of response time. The unintentional result can be solutions with a wait time bias. In this session you will learn how to determine where Oracle is consuming CPU and how to use this in formulating targeted performance solutions. Now you will be able to effectively focus on reducing both CPU consumption and wait time.
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