【Flink流式计算框架】State(KeyedState/OperatorState)和StateBackend及配置
011-FlinkStatestate概述State类型KeyedState案例OperatorState案例(unKeyedState)StatebackendMemoryStateBackendFsStateBackendRocksDBStateBackendStateBackend配置方式State:一般指一个具体的task/operator的状态。KeyedState(keyBy):托管状