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https://issues.apache.org/jira/browse/KAFKA-18439?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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José Armando García Sancio updated KAFKA-18439:
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Component/s: kraft
> Add invariant to Raft simulation test for prevote
> -------------------------------------------------
>
> Key: KAFKA-18439
> URL: https://issues.apache.org/jira/browse/KAFKA-18439
> Project: Kafka
> Issue Type: Sub-task
> Components: kraft
> Reporter: Alyssa Huang
> Assignee: Peter Lee
> Priority: Major
>
> [https://github.com/apache/kafka/pull/18240] introduces
> StableLeadershipWhenMajorityReachable, which is a crude first iteration of
> the invariant we need for checking correctness with PreVote. It checks that
> only one leader is elected during the span of a test. This works for the
> specific ping-pong test that was added in the PR, but does not apply well to
> existing tests which expect leadership to change (e.g. disruptive network
> partition added, simulated fetch lag)
> What we need it to do is check that a new leader is not elected if the
> current leader had connectivity with a majority of quorum.
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