??????Flink?????? ?????? Keyed Watermarks

[??????(Jiacheng Jiang)]

??????????????????




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??????:&nbsp;"Utopia"<gejunwei...@gmail.com&gt;;
????????:&nbsp;2020??2??9??(??????) ????2:38
??????:&nbsp;"user-zh"<user-zh@flink.apache.org&gt;;

????:&nbsp;Flink?????? ?????? Keyed Watermarks



Hi all,

Flink ?????? Keyed Watermarks ??????????

???????????????????????????????? IoT 
??????????????????????????????????????????????????????????????????????????????????????????????????????????????
 watermark??

?????? key ??????????????????????????????????????event time 
???????????????????????????????????? Operator ?? watermark??????????????????

????????????????????????????????????????????????https://bigdata.cs.ut.ee/keyed-watermarks-partition-aware-watermark-generation-apache-flink



Best &nbsp;regards
Utopia