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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-7298) Records can be cleared when all data in state is invalid
Date Mon, 31 Jul 2017 04:38:03 GMT

    [ https://issues.apache.org/jira/browse/FLINK-7298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16106797#comment-16106797
] 

ASF GitHub Bot commented on FLINK-7298:
---------------------------------------

Github user hequn8128 commented on the issue:

    https://github.com/apache/flink/pull/4421
  
    Also, I think we need to remove `!validTimestamp` from `while (keyIter.hasNext &&
!validTimestamp) {` . Because, new records may be inserted at the head of rowMapState, in
this case expired data will always remain in the rowMapState. 


> Records can be cleared when all data in state is invalid
> --------------------------------------------------------
>
>                 Key: FLINK-7298
>                 URL: https://issues.apache.org/jira/browse/FLINK-7298
>             Project: Flink
>          Issue Type: Improvement
>            Reporter: Hequn Cheng
>            Assignee: Hequn Cheng
>
> In {{ProcTimeWindowInnerJoin}}.{{expireOutTimeRow}}, we need not to remove records from
state when there is no valid records. Instead, we can clear them all at once.



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