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

Sun, 05 Jul 2020 23:16:06 -0700 

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




------------------ ???????? ------------------
??????:&nbsp;"Congxian Qiu"<[email protected]&gt;;
????????:&nbsp;2020??7??5??(??????) ????11:56
??????:&nbsp;"user-zh"<[email protected]&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 <[email protected]&gt; ??2020??7??4?????? ????8:29??????

&gt; ????????????????????????
&gt;
&gt;
&gt; | |
&gt; JasonLee
&gt; |
&gt; |
&gt; [email protected]
&gt; |
&gt;
&gt; Signature is customized by Netease Mail Master
&gt;
&gt; ??2020??07??03?? 14:[email protected] ??????
&gt;
&gt; 
??????????????????????????ProcessWindowFunction????????????????valueState????????????????????????????????????????????????????????????
&gt;
&gt; 
1.??????????????ProcessWindowFunction??????process??????????????????????????????????????????????????1??????????????trigger????????????????????????????
&gt;
&gt; 
????????process??????????????????????????????????????valueState????????????????????????????????????????????????????????????????????????????????
&gt;
&gt;
&gt;
&gt; [email protected]
&gt;

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