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Spotlight on Oracle 10.5 - Release Notes

Cache Page

The Memory | Cache page shows detailed information about system cache.

To open the Cache page

  1. Select the Spotlight on Windows connection in the Spotlight Browser.
  2. Click Memory | Cache.

Charts on the Cache page

Notes:

  • Every chart has a legend (list of symbols) to its right that describes the various series (line graphs) on the chart.
  • Click an item in the legend to highlight its series (line) in the chart. Click a second time to return the series to its normal appearance.
  • Move the mouse pointer over an item in the legend to view the current value for that series within the chart.
Chart Description
Cache Hit Rate

Shows a recent summary of the percentage of file requests that are satisfied by the file cache, and that do not require a disk read.

Cache Size

Shows the recent history of memory allocated to the file cache.

Memory allocated to the file cache is dynamic. This is controlled by the Disk Cache Manager, and will alter the level of memory based upon how much physical memory is being used by other applications and is available in the system.

Physical Cache I/O Shows the rate of Reads and Writes being made to the file cache.
Cache Faults

This chart displays the number of faults that occur when a requested page is not found in the file system cache, and must be retrieved from elsewhere.

The chart displays the number of faults, NOT the number of pages faulted in each operation.

 

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