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Tomcat Metrics

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

Metrics

tomcat.sessions

  • Name: tomcat.sessions
  • Description: The number of active sessions.
  • Unit: sessions
  • Instrument Type: DoubleValueCallback

tomcat.errors

  • Name: tomcat.errors
  • Description: The number of errors encountered.
  • Unit: errors
  • Labels: proto_handler
  • Instrument Type: LongCounterCallback

tomcat.processing_time

  • Name: tomcat.processing_time
  • Description: The total processing time.
  • Unit: ms
  • Labels: proto_handler
  • Instrument Type: LongCounterCallback

tomcat.traffic

  • Name: tomcat.traffic
  • Description: The number of bytes transmitted and received.
  • Unit: by
  • Labels: proto_handler, direction
  • Instrument Type: LongCounterCallback

tomcat.threads

  • Name: tomcat.threads
  • Description: The number of threads.
  • Unit: threads
  • Labels: proto_handler, state
  • Instrument Type: LongValueCallback

tomcat.max_time

  • Name: tomcat.max_time
  • Description: Maximum time to process a request.
  • Unit: ms
  • Labels: proto_handler
  • Instrument Type: longValueCallback

tomcat.request_count

  • Name: tomcat.request_count
  • Description: The total requests.
  • Unit: requests
  • Labels: proto_handler
  • Instrument Type: LongCounterCallback