Here is the list of metrics based on MBeans exposed by Tomcat.
| Metric Name | Type | Attributes | Description |
|---|---|---|---|
| http.server.tomcat.sessions.activeSessions | UpDownCounter | context | The number of active sessions |
| http.server.tomcat.errorCount | Gauge | name | The number of errors per second on all request processors |
| http.server.tomcat.requestCount | Gauge | name | The number of requests per second across all request processors |
| http.server.tomcat.maxTime | Gauge | name | The longest request processing time |
| http.server.tomcat.processingTime | Counter | name | Represents the total time for processing all requests |
| http.server.tomcat.traffic | Counter | name, direction | The number of bytes transmitted |
| http.server.tomcat.threads | UpDownCounter | name, state | Thread Count of the Thread Pool |