[jira] [Created] (KAFKA-14301) Simulation validation that raft listener see NO_LEADER on leader

["José Armando García Sancio (Jira)" <ji...@apache.org>]

José Armando García Sancio created KAFKA-14301:
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             Summary: Simulation validation that raft listener see NO_LEADER on leader
                 Key: KAFKA-14301
                 URL: https://issues.apache.org/jira/browse/KAFKA-14301
             Project: Kafka
          Issue Type: Task
            Reporter: José Armando García Sancio


It would be good to validate in our KRaft simulation that if a replica wins an election, the listener will always see a NO_LEADER first.

In other words we want to check and validate that the listener always sees the epoch changes before the the leader is assign.

At the protocol level this is valid because a replica first increases the epoch and transitions to candidate. Once the replica wins an election does it assign a leader for that epoch.

It is important to validate that this is the case because the current controller implementation assumes this.



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