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https://issues.apache.org/jira/browse/KAFKA-17147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18018978#comment-18018978
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TaiJuWu commented on KAFKA-17147:
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Hi [~jsancio] , if you are not working on this, may I pick it up?
> Improve KRaft add voter handling to tolerate waiting for delayed operations
> ---------------------------------------------------------------------------
>
> Key: KAFKA-17147
> URL: https://issues.apache.org/jira/browse/KAFKA-17147
> Project: Kafka
> Issue Type: Sub-task
> Components: kraft
> Reporter: José Armando García Sancio
> Assignee: José Armando García Sancio
> Priority: Major
>
> The current implementation for AddVoter returns an REQUEST_TIMED_OUT error
> anytime it needs to wait for an invariant to be satisfied. From
> [https://cwiki.apache.org/confluence/display/KAFKA/KIP-853%3A+KRaft+Controller+Membership+Changes#KIP853:KRaftControllerMembershipChanges-Handling.3:]
>
> # Wait until there are no uncommitted VotersRecord. Note that the
> implementation may just return a {{REQUEST_TIMED_OUT}} error if there are
> pending operations.
> # Wait for the LeaderChangeMessage control record from the current epoch to
> get committed. Note that the implementation may just return a
> {{REQUEST_TIMED_OUT}} error if there are pending operations.
> # ...
> This algorithm could be improved to wait for the invariant to become true
> instead of returning a timeout immediately.
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