FastDHT 是一个高性能的分布式哈希系统(DHT) ，使用Berkeley DB 做数据存储，使用libevent 做网络IO处理，提供Java 版的客户端接口包。-FastDHT is a high-performance distributed hash System (DHT), uses Berkeley DB for data storage, network IO use libevent to do deal to provide Java version of the cli