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https://issues.apache.org/jira/browse/FLINK-38810?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Roman Khachatryan updated FLINK-38810:
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    Affects Version/s: 2.2.0

> Use splittable timers in Interval Join
> --------------------------------------
>
>                 Key: FLINK-38810
>                 URL: https://issues.apache.org/jira/browse/FLINK-38810
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / Runtime
>    Affects Versions: 2.2.0
>            Reporter: Roman Khachatryan
>            Assignee: Roman Khachatryan
>            Priority: Major
>             Fix For: 2.2.1
>
>
> On timer, TimeIntervalJoin potentially performs a lot of work iterating 
> through all it's records in state.
> And when multiple timers are triggered by a single watermark, checkpoint can 
> be delayed significantly, effectively increasing e2e latency.
> Recently, splittable timer functionality was introduced to Flink for a 
> limited set of operators.
> TimeIntervalJoin can benefit from it as well.



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