?????? State??????guava Cache

Wed, 08 Jul 2020 03:09:54 -0700 

??????????????????id????????????????id??????????????????????????????????????????????????????state????????????
????????????id????ValueState[Cache]??????????????????????????????????id????????????????????????
??????????state??????????????????????cache??????????????????????????????????id??????
 ????


------------------ ???????? ------------------
??????:&nbsp;"Congxian Qiu"<[email protected]&gt;;
????????:&nbsp;2020??7??8??(??????) ????5:52
??????:&nbsp;"user-zh"<[email protected]&gt;;

????:&nbsp;Re: State??????guava Cache



????????????????????????
?????????????????????????????????????????????????????????????????????? 
cache?????? cache
????????????????????????????????????????????????????????????????

???????????????????????????????????????????????????? state ????state 
??????????????????????????????????????????????????????????????
state ????

?????????????? Flink ?????????????????????? state??????????????????flink ?????? 
state ????????????????????

Best,
Congxian


op <[email protected]&gt; ??2020??7??8?????? ????4:07??????

&gt;
&gt; 
??????????????????????????????????????????id??????cache????????????????????????id????????????????????????????????????????????????????????????????????????
&gt; ????????key????????????????????ttl????????????????????????????state 
ttl??????
&gt;
&gt;
&gt;
&gt;
&gt; ------------------&amp;nbsp;????????&amp;nbsp;------------------
&gt; ??????:&amp;nbsp;"Congxian Qiu"<[email protected]&amp;gt;;
&gt; ????????:&amp;nbsp;2020??7??8??(??????) ????3:56
&gt; ??????:&amp;nbsp;"user-zh"<[email protected]&amp;gt;;
&gt;
&gt; ????:&amp;nbsp;Re: State??????guava Cache
&gt;
&gt;
&gt;
&gt; TTL state[1] ??????????????? ??????????????????????????????????????
&gt;
&gt; [1]
&gt;
&gt; 
https://ci.apache.org/projects/flink/flink-docs-master/zh/dev/stream/state/state.html#%E7%8A%B6%E6%80%81%E6%9C%89%E6%95%88%E6%9C%9F-ttl
&gt; Best,
&gt; Congxian
&gt;
&gt;
&gt; op <[email protected]&amp;gt; ??2020??7??8?????? ????3:53??????
&gt;
&gt; &amp;gt; ??????????????????Cache??????????????????
&gt; &amp;gt;
&gt; &amp;gt;
&gt; &amp;gt; 
------------------&amp;amp;nbsp;????????&amp;amp;nbsp;------------------
&gt; &amp;gt; ??????:&amp;amp;nbsp;"Congxian 
Qiu"<[email protected]&amp;amp;gt;;
&gt; &amp;gt; ????????:&amp;amp;nbsp;2020??7??8??(??????) ????3:50
&gt; &amp;gt; 
??????:&amp;amp;nbsp;"user-zh"<[email protected]&amp;amp;gt;;
&gt; &amp;gt;
&gt; &amp;gt; ????:&amp;amp;nbsp;Re: State??????guava Cache
&gt; &amp;gt;
&gt; &amp;gt;
&gt; &amp;gt;
&gt; &amp;gt; ?????????????????? State ???????? cache ?????????? State 
??????????????????????????????
&gt; &amp;gt; ?????????? ValueState???????? ListState/MapState 
????????????????????
&gt; &amp;gt;
&gt; &amp;gt; Best,
&gt; &amp;gt; Congxian
&gt; &amp;gt;
&gt; &amp;gt;
&gt; &amp;gt; op <[email protected]&amp;amp;gt; ??2020??7??8?????? 
????10:31??????
&gt; &amp;gt;
&gt; &amp;gt; &amp;amp;gt; ???????????????????? 
ValueState[Cache]??????????????????????????value ????????????
&gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;amp;gt;
&gt; 
????????map??????????cache????put????????????????update????state??????cache??????????????????????????????1

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