Edoardo Comar created KAFKA-19026:
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Summary: AlterConfigPolicy incompatibility between ZK mode and
KRaft mode when using AlterConfigOp.OpType.SUBTRACT
Key: KAFKA-19026
URL: https://issues.apache.org/jira/browse/KAFKA-19026
Project: Kafka
Issue Type: Bug
Components: core, migration
Affects Versions: 3.8.1, 3.9.0
Reporter: Edoardo Comar
When processing an Incremental Alter Config on a Config entry of type List with
OpType.SUBTRACT
the metadata passed to {color:#000000}AlterConfigPolicy.validate contains
{color}
* {color:#000000}in KRaft mode : {color}{color:#000000}the config that would
result AFTER the subtraction{color}
* {color:#000000}in ZK mode : the config as if the opType was OpType.SET, with
no indication that actually the value would be removed{color}
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