这是beansdb的java客户端, 它使用了和python客户端一模一样的hash算法， 所以它和python客户端是完全兼容 — 这意味着你可以用python客户端存一个东西进beansdb， 然后用java客户端把它取出来。-This is beansdb the java client, it uses the same client and python hash algorithm, and python client is fully compatible- this means that you can save a thing with a python client the intake beansdb, then the client with java take it out.