Tuesday, June 14, 2011

High Memory Wait

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Your instance has spent much of its In Oracle time waiting for memory.
High Memory Wait findings

Description
What to do next
Perform one of the following options:
n   Examine high Memory Wait statements in the Activity workspace.
n   Try to identify the system processes consuming memory using the Insight Savvy for OS tool.
Advice
Perform one of the following options:
n   Identify other processes in the system.
The instance has spent much of its In Oracle time waiting for memory; every process running in your system affects the available memory.
Effort spent tuning non-Oracle factors can improve Oracle performance.
For example: the result of setting a high number of MAX_PARALLEL_SERVERS when using a parallel query option.
n   Identify heavy statements using High Memory Wait and try to tune them.





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