MurmurHash算法：高运算性能，低碰撞率，由Austin Appleby创建于2008年，现已应用到Hadoop、libstdc++、nginx、libmemcached等开源系统。-MurmurHash algorithms: high computing performance, low collision rate by Austin Appleby, founded in 2008, has been applied to Hadoop, libstdc++, nginx, lib