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