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Integration

Metrics

Metric Name Key Agg Type Description
bytes sent tomcat.requests.transfer.tx.bytes Sum Long Bytes sent by all the request processors running on the Apache Tomcat (without headers)
error requests tomcat.requests.errors Sum Long Error count on all the request processors running on the Apache Tomcat container
processing time tomcat.requests.processing.time Sum Long Cumulated processing time
request count tomcat.requests Sum Long Cumulative request count of the Apache Tomcat container
bytes received tomcat.requests.transfer.rx.bytes Sum Long Bytes received by all the request processors running on the Apache Tomcat container (without headers)
max connections tomcat.connections.max Avg Long The maximum number of connections that the server will accept and process at any given time
poller thread count tomcat.threads.pollers Avg Double The number of threads used to poll kept alive connections
max threads tomcat.threads.max Avg Long Additional threads will be created up to the configured maximum
current threads busy tomcat.threads.busy Avg Double Thread pool usage. Current worker threads busy count
current thread count tomcat.threads Avg Double Thread pool usage. Current worker threads count
connection count tomcat.connections Avg Double The current count of connections handled by this endpoint
acceptor thread count tomcat.threads.acceptors Avg Double The number of threads to be used to accept connections
queue size tomcat.executors.queue.size Avg Double Number of tasks waiting to be processed
max queue size tomcat.executors.queue.size.max Avg Long Maximum number of tasks for the pending task queue
completed task count tomcat.executors.tasks.completed Sum Long Number of tasks completed by the executor
max threads tomcat.executors.max Avg Long Maximum number of allocated threads
min spare threads tomcat.executors.spare.min Avg Long Minimum number of allocated threads
pool size tomcat.executors.pool Avg Double Number of threads in the pool
core pool size tomcat.executors.core Avg Double Core size of the thread pool
active threads tomcat.executors.active Avg Double Number of threads currently processing a task
jsp unload count tomcat.jsp.unloaded Sum Long The number of JSPs that have been unloaded
jsp reload count tomcat.jsp.reloaded Sum Long The number of JSPs that have been reloaded
jsp loaded count tomcat.jsp.loaded Sum Long The number of JSPs that have been loaded into a webapp
processing time tomcat.web.execution.time.total Sum Long Cumulative execution times of all servlets in this context
max time tomcat.web.execution.time.max Avg Long Maximum execution time of all servlets in this context
min time tomcat.web.execution.time.min Avg Long Minimum execution time of all servlets in this context
error count tomcat.web.errors Sum Long Cumulative error count of all servlets in this context
request count tomcat.web.requests Sum Long Cumulative request count of all servlets in this context
max size tomcat.cache.size.max Avg Long The maximum size of the static resource cache
size tomcat.cache.size Avg Long Current size
lookups tomcat.cache.lookups Sum Long Number of times the cache was accessed
hits tomcat.cache.hits Sum Long Number of times the cache was hit
num active tomcat.datasource.active Avg Double Current Active
max active tomcat.datasource.active.max Avg Long The maximum number of active connections that can be allocated from this pool at the same time
init size tomcat.datasource.init Avg Long The initial number of connections that are created when the pool is started
max idle tomcat.datasource.idle.max Avg Long The maximum number of connections that should be kept in the pool at all times
num idle tomcat.datasource.idle Avg Double The number of established connections in the pool that are idle
min idle tomcat.datasource.idle.min Avg Long The minimum number of established connections that should be kept in the pool at all times
rejected sessions tomcat.sessions.rejected Sum Long How often was a configured maxActiveSessions limit reached
processing time tomcat.sessions.processing.time Sum Long Total processing time since startup, cumulated elapsed milliseconds needed for session expiration handling.
created sessions tomcat.sessions Sum Long Total number of sessions created since startup
expired sessions tomcat.sessions.expired Sum Long Number of sessions that expired (doesn't include explicit invalidations)
session max alive time tomcat.sessions.alive.time.max Avg Long Measured from session creation to expiration (be it logout or session idle timeout)
max active tomcat.sessions.active.max Avg Double Max number of concurrent active sessions
active sessions tomcat.sessions.active Avg Double Number of active sessions at this moment
session average alive time tomcat.sessions.alive.time Avg Long Average time an expired session had been alive