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Luke Chen edited comment on KAFKA-19026 at 4/25/25 8:56 AM: ------------------------------------------------------------ OK, let's have a doc update first in v3.9.1. Thanks. cc [~frankvicky] was (Author: showuon): OK, let's have a doc update first in v3.9.1. Thanks. > AlterConfigPolicy incompatibility between ZK mode and KRaft mode when using > AlterConfigOp.OpType.SUBTRACT/APPEND > ---------------------------------------------------------------------------------------------------------------- > > 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 > Assignee: Edoardo Comar > Priority: Major > Fix For: 3.9.2 > > Attachments: KAFKA19026Policy.java, KAFKA19026Test.java > > > 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} > {color:#000000}Also OpType.APPEND behaves inconsistently in this regard{color} -- This message was sent by Atlassian Jira (v8.20.10#820010)