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https://issues.apache.org/jira/browse/KAFKA-15341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17786537#comment-17786537
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Phuc Hong Tran commented on KAFKA-15341:
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thanks [~divijvaidya] [~showuon] [~satishd]. May anyone point me to where we
store the features name for broker? I tried to look for some examples of
feature name in the BrokerFeatureTest but they're all dummy names
> Enabling TS for a topic during rolling restart causes problems
> --------------------------------------------------------------
>
> Key: KAFKA-15341
> URL: https://issues.apache.org/jira/browse/KAFKA-15341
> Project: Kafka
> Issue Type: Bug
> Reporter: Divij Vaidya
> Assignee: Phuc Hong Tran
> Priority: Major
> Labels: KIP-405
> Fix For: 3.7.0
>
>
> When we are in a rolling restart to enable TS at system level, some brokers
> have TS enabled on them and some don't. We send an alter config call to
> enable TS for a topic, it hits a broker which has TS enabled, this broker
> forwards it to the controller and controller will send the config update to
> all brokers. When another broker which doesn't have TS enabled (because it
> hasn't undergone the restart yet) gets this config change, it "should" fail
> to apply it. But failing now is too late since alterConfig has already
> succeeded since controller->broker config propagation is done async.
> With this JIRA, we want to have controller check if TS is enabled on all
> brokers before applying alter config to turn on TS for a topic.
> Context: https://github.com/apache/kafka/pull/14176#discussion_r1291265129
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