### Added
-- Add back pressure detection on the worker node queue. Event `backPressure` is emitted all worker node queues are full (worker node queue size >= poolMaxSize^2).
+- Add back pressure detection on the worker node queue. Event `backPressure` is emitted when all worker node queues are full (worker node queue size >= poolMaxSize^2).
- Use back pressure detection in worker choice strategies.
- Add worker choice strategies retries mechanism if no worker is eligible.