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

[kcz]

????window????????????????????flink??????????????????????????????




------------------ ???????? ------------------
??????:&nbsp;"Congxian Qiu"<qcx978132...@gmail.com&gt;;
????????:&nbsp;2020??7??5??(??????) ????11:56
??????:&nbsp;"user-zh"<user-zh@flink.apache.org&gt;;

????:&nbsp;Re: ????????????????????????????



???????????????? ?????????????????????? trigger ?????????? state ?? 1 
????????????????
?????????????? TTL[1] State
?????????????????????? ProcessWindowFunction ?????????????????? 
KeyedProcessFunction[2] ??

[1]
https://ci.apache.org/projects/flink/flink-docs-release-1.10/zh/dev/stream/state/state.html#%E7%8A%B6%E6%80%81%E6%9C%89%E6%95%88%E6%9C%9F-ttl
[2]
https://ci.apache.org/projects/flink/flink-docs-release-1.10/zh/dev/stream/operators/process_function.html#the-keyedprocessfunction
Best,
Congxian


JasonLee <17610775...@163.com&gt; ??2020??7??4?????? ????8:29??????

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??????????????????????????ProcessWindowFunction????????????????valueState????????????????????????????????????????????????????????????
&gt;
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1.??????????????ProcessWindowFunction??????process??????????????????????????????????????????????????1??????????????trigger????????????????????????????
&gt;
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????????process??????????????????????????????????????valueState????????????????????????????????????????????????????????????????????????????????
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