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https://issues.apache.org/jira/browse/FLINK-7298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16110094#comment-16110094
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ASF GitHub Bot commented on FLINK-7298:
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Github user hequn8128 commented on the issue:
https://github.com/apache/flink/pull/4421
OK, so RocksDB state provides the keys in sorted order. Then we needn't
remove `!validTimestamp`. I will fill out the PR template next time.
Thanks, hequn
> 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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