Defend your Akka applications from failures in distributed systems through the use of:

• Call stats based circuit breakers
• Automatic command bulkheading
• Insight into you remote calls by providing latency and call statistics

Take a look at the documentation.

• akka-core: Already has a minimal circuit breaker implementation
• hystrix: A lot of general ideas and patterns have been adopted from the hystrix library
• HdrHistogram: Provides a high performance histrogram data structure used by jailcall