??????Kafka ?? extractly-once

[Jimmy Wong]

Hi, ??????
????????????????????Extractly-Once????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????


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Jimmy
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wangzmk...@163.com
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??????????????????????


??2019??09??9?? 14:31????????<454618...@qq.com> ??????
&nbsp; &nbsp; &nbsp; &nbsp; 
????????????????????????????????????????????????exactly 
once????????????????????????????????exactly 
once??????????????????????????????????????????????????????????????????????????????????????????????????
&nbsp; &nbsp; &nbsp; &nbsp;??????????????????????????????????????
&nbsp; &nbsp; &nbsp; 
&nbsp;????????????,??????Spark/Flink/Kafka/DataFlow????????(????????????????) - 
???????????????? - ????        https://zhuanlan.zhihu.com/p/77677075




??????
maqy


------------------ ???????? ------------------
??????:&nbsp;"Jimmy Wong"<wangzmk...@163.com&gt;;
????????:&nbsp;2019??9??9??(??????) ????11:50
??????:&nbsp;"user-zh@flink.apache.org"<user-zh@flink.apache.org&gt;;

????:&nbsp;Kafka ?? extractly-once



Hi??all??
???????????????? checkpoint ???????? 5 ?????????????? 5 ?????????????? task 
???????????????????????????????????????????????? checkpoint ???????????????? 5 
?????????? Kafka offset???????? 5 
????????????????????????????????????????????????source ?????????????????? 5 
???????????????????????????????????????????????????? Extractly-Once ????
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Jimmy
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wangzmk...@163.com
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??????????????????????