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C.9.12. Oracle::Redo Log
The Oracle::Redo Log probe monitors an Oracle database instance and collects the following metrics:
- Redo Log Space Request Rate — The average number of redo log space requests per minute since the server has been started.
- Redo Buffer Allocation Retry Rate — The average number of buffer allocation retries per minute since the server was started.
The metrics returned and the thresholds they are measured against are numbers representing the rate of change in events per minute. The rate of change for these metrics should be monitored because fast growth can indicate problems requiring investigation.
Table C.59. Oracle::Redo Log settings
|Critical Maximum Redo Log Space Request Rate|
|Warning Maximum Redo Log Space Request Rate|
|Critical Maximum Redo Buffer Allocation Retry Rate|
|Warning Maximum Redo Buffer Allocation Retry Rate|