Include the PID and workload information (request url, rpc method name, queue item details, etc) in your logs along with start/end timestamps for processing the work.

You can then look up the PID in the logs and find out what that pesky pegged worker is up to.

In reply to Re^3: Debugging forking perl script? GDB? by Anonymous Monk
in thread Debugging forking perl script? GDB? by cavac

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