mur hash是 Austin Appleby于2008年创立的一种非加密hash算法，适用于基于hash进行查找的场景。murmurhash在多个开源项目中得到应用，包括libstdc、libmemcached、nginx、hadoop等。-MurmurHash is a non-cryptographic hash function suitable for general hash-based lookup. It was created by Austin Appleby in 200