This fixes "eventmachine not initialized" errors on Passenger with smart spawning enabled.
A mapper's identity is supposed to be unique, since it acquires a unique lock on
the heartbeat-#{identity} queue. When the queue is already locked, things go wrong.
This fixes "eventmachine not initialized" errors on Passenger with smart spawning enabled. A mapper's identity is supposed to be unique, since it acquires a unique lock on the heartbeat-#{identity} queue. When the queue is already locked, things go wrong.