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https://issues.apache.org/jira/browse/FLINK-9579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16513977#comment-16513977
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ASF GitHub Bot commented on FLINK-9579:
---------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/flink/pull/6162


> Remove unnecessary clear with cep elementQueue
> ----------------------------------------------
>
>                 Key: FLINK-9579
>                 URL: https://issues.apache.org/jira/browse/FLINK-9579
>             Project: Flink
>          Issue Type: Improvement
>          Components: CEP
>    Affects Versions: 1.5.0
>            Reporter: aitozi
>            Assignee: aitozi
>            Priority: Major
>
> when deal with eventtime, the elementQueueState is cleared when 
> sortedTimestamps isEmpty, but I think this operation is not needed because 
> the elements in elementQueueState are all removed if the sortedTimestamps 
> isEmpty, and do not need to clear again to spend time on rocksdb operation? 
> what's your idea [~dawidwys]?



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