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Spotlight on Oracle 10.10 - Release Notes

Flash Cache Read Latency Alarm

The Flash Cache Read Latency alarm is raised when the time taken to read a single bock from flash cache exceeds a threshold. This may be caused by a low performance flash device.

Flash drives provide a lower latency and higher throughput than magnetic disks. High latency on a flash drive suggests the flash drive is not providing a performance advantage.

 

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