?????? Flink????Kafka??Mysql?? End-To-End Exactly-Once????????????
??1??mysql-connector-java??latest ??5.1.6?? 5.1.48 https://github.com/lusecond/flink_help --depth=1 > > > TwoPhaseCommitSinkFunction4??beginTransaction??preCommit??commit??abort > jdbc
flink????????
??flink demo ??~~
