Jason Gustafson created KAFKA-10779:
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Summary: Reassignment tool sets throttles incorrectly when
overriding a reassignment
Key: KAFKA-10779
URL: https://issues.apache.org/jira/browse/KAFKA-10779
Project: Kafka
Issue Type: Bug
Reporter: Jason Gustafson
The logic in `ReassignPartitionsCommand.calculateProposedMoveMap` assumes that
adding replicas are not included in the replica set returned from `Metadata` or
`ListPartitionReassignments`. This is evident in the test case
`ReassignPartitionsUnitTest.testMoveMap`. Because of this incorrect assumption,
the move map is computed incorrectly which can result in the wrong throttles
being applied. As far as I can tell, this is only an issue when overriding an
existing reassignment.
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