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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/04 22:47:21 UTC

[GitHub] [beam] damccorm opened a new issue, #21357: Optimize Flink runner timer and OnWindowExpiration

damccorm opened a new issue, #21357:
URL: https://github.com/apache/beam/issues/21357

   Currently Flink batch needs to load all keys in memory to expire timers and call OnWindowExpiration. We could instead use the mechanism used by RequiresTimeSortedInput ([https://github.com/apache/beam/blob/v2.34.0/runners/flink/src/main/java/org/apache/beam/runners/flink/FlinkBatchTransformTranslators.java#L702](https://github.com/apache/beam/blob/v2.34.0/runners/flink/src/main/java/org/apache/beam/runners/flink/FlinkBatchTransformTranslators.java#L702)) to expire as we go.
   
   Imported from Jira [BEAM-13452](https://issues.apache.org/jira/browse/BEAM-13452). Original Jira may contain additional context.
   Reported by: reuvenlax.


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