?????? ??FlinkKafkaProducer011??kafka??exactly once??????

[1193216154]

??????????????kafka??????????????????????commit??????????????????????????????????????????????????????????????????????????????????????????????????????




------------------ ???????? ------------------
??????:&nbsp;"xin Destiny"<nj18652727...@gmail.com&gt;;
????????:&nbsp;2020??2??27??(??????) ????6:48
??????:&nbsp;"user-zh"<user-zh@flink.apache.org&gt;;

????:&nbsp;Re: ??FlinkKafkaProducer011??kafka??exactly once??????



??????????operator??????????pre-commit????????????????commit??????????????flush

1193216154 <1193216...@qq.com&gt; ??2020??2??27?????? ????5:30??????

&gt; ????????????????????????FlinkKafkaProducer011??kafka??exactly
&gt; 
once??????????checkpoint????????????????????????????????????kafka??????????????????????flink????????????????snapshotState????????kakfa??producer??flush????