Exadata Cell Balance
This page shows balance of resource usage across the cells.
The data (CPU Utilization) is sourced from the operating system statistics (vmstat). The data (read requests) is sourced from CellCLI where the objectType is CELLDISK.
Note: Spotlight on Oracle RAC may include monitoring of Exadata systems depending on the license purchased.
To open the Cell Balance page
- Select the Spotlight on Oracle RAC connection in the Spotlight Browser.
-
Click Exadata | Cell Balance.
Charts on the Cell Balance 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 |
|---|---|
| CPU Utilization by Cells | The percentage of CPU time consumed by each Cell. |
| Total Read Requests by Cells | The rate of I/O read requests (number per second) for each Cell: Flash Disk and Hard Disk. |
| Total Flash Disk Read Requests by Cells | The rate of I/O read requests (number per second) for each Cell: Flash Disk. |
| Total Hard Disk Read Requests by Cells | The rate of I/O read requests (number per second) for each Cell: Hard Disk. |