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Spotlight on Oracle 10.10 - Release Notes

Read Hit Alarm

This alarm is activated when the proportion of file read requests that can be sourced from memory cache rather than disk drops below a threshold.

When this alarm is current you should:

  • Look at the NBT page of the Network drilldown.

    If there is a large number of read requests coming from the network clients, the cache can be inundated and temporarily of little use.

  • Look at increasing the physical memory of the system.


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