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------------------ ???????? ------------------ ??????: "user-zh" <xiongyun...@163.com>; ????????: 2020??10??6??(??????) ????4:53 ??????: "user-zh@flink.apache.org"<user-zh@flink.apache.org>; ????: rocksdb????ckeckpoint???? Hi, ????rocksdb????checkpoint??????????????????state.checkpoints.num-retained??????????1????????checkpoint??????????1??????????????checkpoint??????????????????????????checkpoint????????sst?????????????????????????????????????????? | | ?????? | | ??????xiongyun...@163.com | ?????? ???????????? ????