The JMX Metric Gatherer provides built in Tomcat metric gathering capabilities. These metrics are sourced from: https://docs.oracle.com/cd/E11857_01/em.111/e10115/middleware_apache_tomcat.htm
- Name:
tomcat.sessions - Description: The number of active sessions.
- Unit:
sessions - Instrument Type: DoubleValueCallback
- Name:
tomcat.errors - Description: The number of errors encountered.
- Unit:
errors - Labels:
proto_handler - Instrument Type: LongCounterCallback
- Name:
tomcat.processing_time - Description: The total processing time.
- Unit:
ms - Labels:
proto_handler - Instrument Type: LongCounterCallback
- Name:
tomcat.traffic - Description: The number of bytes transmitted and received.
- Unit:
by - Labels:
proto_handler,direction - Instrument Type: LongCounterCallback
- Name:
tomcat.threads - Description: The number of threads.
- Unit:
threads - Labels:
proto_handler,state - Instrument Type: LongValueCallback
- Name:
tomcat.max_time - Description: Maximum time to process a request.
- Unit:
ms - Labels:
proto_handler - Instrument Type: longValueCallback
- Name:
tomcat.request_count - Description: The total requests.
- Unit:
requests - Labels:
proto_handler - Instrument Type: LongCounterCallback