??????????
------------------ ???????? ------------------ ??????: "1193216154"<1193216...@qq.com>; ????????: 2020??7??9??(??????) ????10:25 ??????: "user-zh"<user-zh@flink.apache.org>; ????: ?????? ?????? DataStream????uv???? ??????????ContinuousEventTimeTrigger?????????????????????????????? ??????countTrigger??????????????????????????????processWindowFunction?????????????????????? ????????aggregateWindowFuntion ------------------&nbsp;????????&nbsp;------------------ ??????:&nbsp;"Yun Gao"<yungao...@aliyun.com.INVALID&gt;; ????????:&nbsp;2020??7??9??(??????) ????10:18 ??????:&nbsp;"?g???U?[????"<zhoujiazhi1...@vip.qq.com&gt;;"user-zh"<user-zh@flink.apache.org&gt;; ????:&nbsp;Re: ?????? DataStream????uv???? ????????????????????????????????????????????????????????key??time?????????????????????????????????????????????????????????? &nbsp;------------------Original Mail ------------------ Sender:?g???U?[???? <zhoujiazhi1...@vip.qq.com&gt; Send Date:Thu Jul 9 10:16:06 2020 Recipients:user-zh <user-zh@flink.apache.org&gt; Subject:?????? DataStream????uv???? ????????????????????????????????????????????????state????????????????????????????????????????????????Descriptor????????????null?? ------------------&amp;nbsp;????????&amp;nbsp;------------------ ??????:&amp;nbsp;"Yun Gao"<yungao...@aliyun.com.INVALID&amp;gt;; ????????:&amp;nbsp;2020??7??9??(??????) ????10:07 ??????:&amp;nbsp;"?g???U?[????"<zhoujiazhi1...@vip.qq.com&amp;gt;;"user-zh"<user-zh@flink.apache.org&amp;gt;; ????:&amp;nbsp;Re: DataStream????uv???? ?????? &amp;nbsp;&amp;nbsp; 1. ??????????????????????????????????????????????????????Ok???? &amp;nbsp;&amp;nbsp; 2. ??????????????????????????+??????????????????????????????------------------------------------------------------------------ Sender:?g???U?[????<zhoujiazhi1...@vip.qq.com&amp;gt; Date:2020/07/07 22:32:51 Recipient:user-zh<user-zh@flink.apache.org&amp;gt; Theme:DataStream????uv???? ???????? &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;????????????????DataStream??api????????????UV??????????????2???????????? &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;1????????Tumbling??????????????????????????????1????Time.days(1)??????????????????????????????????????uv???? &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; ????????????????????????????????trigger???????????????????????????????????????????????????? &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;2????????????????????????????????state????????????????????????????????????TTL???? DataStream<UvPer10Min&amp;amp;gt; uvPer10MinDataStream = userBehaviorSource .windowAll(TumblingProcessingTimeWindows.of(Time.days(1L))) .trigger(CountTrigger.of(1L)) .evictor(CountEvictor.of(0L, true)) .process(new ProcessAllWindowFunction<UserBehavior, UvPer10Min, TimeWindow&amp;amp;gt;() { private transient MapState<String, String&amp;amp;gt; userIdState; private transient ValueState<Long&amp;amp;gt; uvCountState; &amp;amp;nbsp; &amp;amp;nbsp; ?????? Jiazhi