JRun Administrator's Guide
Connection Monitoring

Monitoring the scheduler

JRun can also write scheduler status information to the JRun log files. The scheduler is used for scheduling and running all internal tasks in background threads, including session timeouts, file logging, metrics logging, and JDBC connection pool management.

The following table describes the metrics variables for the scheduler:

Metrics variable	Description
scheduler.listenTh	Threads listening
scheduler.idleTh	Threads waiting for a new request
scheduler.delayTh	Threads waiting to run
scheduler.busyTh	Threads currently running
scheduler.totalTh	Total worker thread count
scheduler.delayRq	Requests delayed due to high concurrency
scheduler.droppedRq	Requests dropped
scheduler.handledRq	Requests handled
scheduler.handledMS	Milliseconds spent servicing requests not including any delay time (delayMs)
scheduler.delayMs	Milliseconds spent in delay state

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