Flink Configuration | flink-conf.yaml中的配置 Basic Setup | 常用配置Hostnames / PortsMemory Sizes(内存大小)Parallelism (并行度)Checkpointing(检查点)Web UIOther Common Setup Options | 通用的配置Hosts and PortsFault Toleranc(容错)Checkpoints and State Backends(检查点和状态后端)