v0.16.0

• Add ProcessMonitor#emit(metrics) as an override point for subclasses to consume captured process metrics (e.g. emitting StatsD gauges).

v0.15.0

• Improve robustness and error handling of default monitors and server loop, ensuring that monitor failures either completely crash the server or retry appropriately, rather than leaving the server in a broken state.

v0.14.0

• Add Worker#make_controller as an override point for providing a custom worker controller with additional RPCs.

v0.13.1

• Unlink shared memory file before opening on supervisor restart, preventing SIGBUS when workers still have the file mapped.

v0.13.0

• Add worker_count to UtilizationMonitor aggregated metrics per service, indicating how many workers contributed to each service's metrics (useful for utilization denominator).

v0.12.0

• Introduce UtilizationMonitor, that uses shared memory to track worker utilization metrics, like total and active requests, connections, etc.