Maximilian Michels created FLINK-30931:
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Summary: Adaptive scheduler wastes slots for multiple slot sharing
groups with different max parallelism
Key: FLINK-30931
URL: https://issues.apache.org/jira/browse/FLINK-30931
Project: Flink
Issue Type: Bug
Reporter: Maximilian Michels
Fix For: 1.17.0
The adaptive scheduler assumes all slot sharing groups have the same maximum
parallelism which can yield to allocating too many slots for smaller slot
sharing groups.
See
https://github.com/apache/flink/blob/2ae5df278958073fee63b2bf824a53a28a21701b/flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/adaptive/allocator/SlotSharingSlotAllocator.java#L97
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