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Posted to issues@flink.apache.org by "Roman Khachatryan (Jira)" <ji...@apache.org> on 2025/12/15 16:45:00 UTC

[jira] [Created] (FLINK-38810) Use splittable timers in Interval Join

Roman Khachatryan created FLINK-38810:
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             Summary: 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
            Reporter: Roman Khachatryan
            Assignee: Roman Khachatryan
             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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