Finagle 概述

Finagle 是基於JVM的網路框架/堆疊，開發者能在之上使用Java，Scala或任何基於JVM程式語言來開發非同步運算的RPC Client/Server，其專案是 Twitter 總結了實務上遇到的問題，所設計的分散式系統方案，並在2011的7月開放源始碼，目前功能如下表

Protocols

• HTTP
• Streaming HTTP (Comet)
• Thrift
• Memcached/Kestrel
• More to come!

Server Support

• Backpressure (to defend against abusive clients)
• Service Registration (e.g., via Zookeeper)
• Native OpenSSL bindings

Client Support

• Connection Pooling
• Load Balancing
• Failure Detection
• Failover/Retry
• Distributed Tracing (a la Dapper)
• Service Discovery (e.g., viaZookeeper)
• Rich Statistics
• Native OpenSSL bindings
• Sharding