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https://issues.apache.org/jira/browse/FLINK-10239?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger updated FLINK-10239:
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Component/s: API / DataStream
> Register eventtime timer only once in eventtrigger
> --------------------------------------------------
>
> Key: FLINK-10239
> URL: https://issues.apache.org/jira/browse/FLINK-10239
> Project: Flink
> Issue Type: Improvement
> Components: API / DataStream
> Affects Versions: 1.5.3
> Reporter: bupt_ljy
> Priority: Minor
>
> I find that we call ctx.registerEventTimeTimer(window.maxTimestamp()) every
> time when an element is received in the window. Even though it doesn't affect
> the result because it uses a Set, but I think it can still be an improvement
> if we call it only once.
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