1.概述 2.源码
2.1 LeaderRetrievalHandler
2.2 respondAsLeader
2.3 respondToRequest
2.4 AbstractExecutionGraphHandler
2.5 getExecutionGraphInternal
2.6 ExecutionGraphEntry
2.7 CancellationException
我用s3做 flink on native k8s的HA部署， 作业都能
