Colin McCabe created KAFKA-16624:
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Summary: Don't generate useless PartitionChangeRecord on older MV
Key: KAFKA-16624
URL: https://issues.apache.org/jira/browse/KAFKA-16624
Project: Kafka
Issue Type: Bug
Reporter: Colin McCabe
Assignee: Colin McCabe
Fix a case where we could generate useless PartitionChangeRecords on metadata
versions older than 3.6-IV0. This could happen in the case where we had an ISR
with only one broker in it, and we were trying to go down to a fully empty ISR.
In this case, PartitionChangeBuilder would block the record to going down to a
fully empty ISR (since that is not valid in these pre-KIP-966 metadata
versions), but it would still emit the record, even though it had no effect.
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