Counters monitor and record metrics on the status, availability, usage, system performance, and resource usage of your enterprise GIS.
ArcGIS Monitor supports the following counter types:
| Counter name | Description | 
|---|---|
| The Amazon counter provides metrics on the last time a data sample was collected. | |
| The ArcGIS counter provides metrics on your ArcGIS servers and services. | |
| The DB counter provides metrics on the last time a data sample was collected. | |
| The Ext counter is reserved for custom monitor extensions provided by Esri. | |
| The Http counter provides metrics on response times and the number of bytes used in an HTTP request for a specific URL. | |
| The portal counter provides metrics on the total count of desktop, web, and all items in the portal. | |
| The process counter provides aggregated metrics for a named process. | |
| The RDP counter provides metrics on the number of total, inactive, and active remote desktop sessions. | |
| The system counter provides metrics on system performance and resource usage. |