??????????????ж???????????????????2????????????? д???????

????????????

????????????????????????
????1??д??set???????????????????????????????get??????????4??5?????????????
????2????????洢????????????1M????Zookeeper????????????£????д????????1M????????д??????????????????д??????????<1M??
????3??????д????????????????????????????????????
????4??????????д???????????16???????????????д?????????????4K??????16???????????zk???????????json?????????????????е????zk????У??????????????С??????????????json?????
????5??????????в?????log????????????????y?????鶨???????log??shapshot