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Posted to issues@flink.apache.org by "Kurt Young (JIRA)" <ji...@apache.org> on 2019/01/30 10:41:00 UTC

[jira] [Closed] (FLINK-9474) Add runtime support of distinct filter using ElasticBloomFilter

     [ https://issues.apache.org/jira/browse/FLINK-9474?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kurt Young closed FLINK-9474.
-----------------------------
    Resolution: Unresolved

> Add runtime support of distinct filter using ElasticBloomFilter
> ---------------------------------------------------------------
>
>                 Key: FLINK-9474
>                 URL: https://issues.apache.org/jira/browse/FLINK-9474
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API &amp; SQL
>    Affects Versions: 1.5.0
>            Reporter: Sihua Zhou
>            Assignee: Sihua Zhou
>            Priority: Major
>
> We can implement an approximate version of "distinct filter" base on the "Elastic Bloom Filter", It could be very fast because we don't need to query the state anymore, its accuracy should could be configurable. e.g 95%, 98% and it might unable to support retraction.



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