The Performance dashboard displays statistics about the Index Server nodes for the time interval that you select.
Information
| Name | Description | 
|---|---|
| Memory Usage | A chart that displays the amount of main memory and heap memory used. | 
| Index Details | A chart that displays the number of transient cores, loaded cores, and unloaded cores. | 
| Index Directory Drive Space | A chart that displays the amount of total space and free space on the drive that contains the index directory. | 
| CPU Load | A chart that displays the percentage of CPU used. | 
| Update and Query Requests | A chart that displays the number of query operations and the number of update operations. |