Reuven Lax created BEAM-13452:
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Summary: Optimize Flink runner timer and OnWindowExpiration
Key: BEAM-13452
URL: https://issues.apache.org/jira/browse/BEAM-13452
Project: Beam
Issue Type: New Feature
Components: runner-flink
Reporter: Reuven Lax
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])
to expire as we go.
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