Welcome to Spotlight
Install Spotlight
Start Spotlight
Spotlight on Oracle now includes web based analytics
Get Spotlight on your favorite mobile device
User Experience Feedback
Authorize Spotlight
Spotlight on Oracle
Connect to an Oracle Database
Oracle User Wizard
Spotlight on Oracle Data Guard
DBA Connection Credentials
User Account
New Oracle User
Select Tablespace
Predictive Diagnostics
Ready To Configure Oracle User
End
Configuring Oracle User for Spotlight Dialog
Toad DBA Suite for Oracle
Oracle Architecture Overview
Spotlight on Oracle Home Page
Spotlight on Oracle Alarms
Spotlight on Oracle Drilldowns
Install And Configure DTrace Scripts
Tune Your Oracle Database
Predictive Diagnostics
Spotlight on Oracle Tools: Explain Plan, SQL Optimizer, Space Manager
Spotlight on your favorite mobile device
Standby Connections Dialog
Spotlight on Oracle Data Guard Home Page
Spotlight on Oracle Data Guard Alarms
Spotlight on Oracle RAC
Connect to Spotlight on Oracle RAC
Spotlight on Unix
Oracle RAC Connection Details
Verify Cluster Connection Details Dialog
Connect to an Exadata Storage Server (Cells)
Spotlight on Oracle RAC Home Page
Spotlight on Oracle RAC Alarms
Spotlight on Oracle RAC Drilldowns
Configure the Unix System
Connect to Unix Systems
Spotlight on Unix Home Page
Spotlight on Unix Alarms
Spotlight on Unix Drilldowns
Spotlight on Windows
Connect to Windows Systems
Spotlight on Windows Home Page
Spotlight on Windows Alarms
Spotlight on Windows Drilldowns
Spotlight on MySQL
Connect to a MySQL Database
Spotlight on MySQL Home Page
Spotlight on MySQL Alarms
Spotlight on MySQL Drilldowns
Troubleshooting: Connection Problems
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. |