[jira] [Resolved] (KAFKA-457) Leader Re-election is broken in rev. 1368092

["John Fung (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Fung resolved KAFKA-457.
-----------------------------

    Resolution: Fixed

Hi Victor,

Thank you for your fix. I have tested rev. 1373633 for system_test/single_host_multi_brokers/run-test.sh and it is working correctly.

Regards,
John
                
> Leader Re-election is broken in rev. 1368092
> --------------------------------------------
>
>                 Key: KAFKA-457
>                 URL: https://issues.apache.org/jira/browse/KAFKA-457
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: John Fung
>            Assignee: Yang Ye
>            Priority: Blocker
>         Attachments: run-test.sh
>
>
> Steps to reproduce:
> 1. Check out rev. 1368092 and execute the command: $ ./sbt update package
> 2. Replace <kafka_home>/system_test/single_host_multi_brokers/bin/run-test.sh with the attached script because the logging message related to "shut down completed" and "leader state transition" has been modified in this revision.
> 3. Execute the command bin/run-test.sh
> 4. The test seems to be hung.
> 5. The reason is that there is no leader re-election happening after the first leader is terminated. By checking the logs, there may be only 1 "completed the leader state transition" log message found in the server logs:
> $ grep "completed the leader state transition" *
> kafka_server_3.log:[2012-08-13 10:07:58,085] INFO Replica Manager on Broker 3, completed the leader state transition for topic mytest partition 0 (kafka.server.ReplicaManager)
> 6. The correct behavior as in rev 1367821, re-election log messages are found after leader termination as follows:
> $ grep "completed the leader state transition" *
> kafka_server_1.log:[2012-08-13 09:40:23,542] INFO Broker 1 completed the leader state transition for topic mytest partition 0 (kafka.server.ReplicaManager)
> kafka_server_1.log:[2012-08-13 09:42:17,881] INFO Broker 1 completed the leader state transition for topic mytest partition 0 (kafka.server.ReplicaManager)
> kafka_server_2.log:[2012-08-13 09:40:29,082] INFO Broker 2 completed the leader state transition for topic mytest partition 0 (kafka.server.ReplicaManager)
> kafka_server_3.log:[2012-08-13 09:44:06,695] INFO Broker 3 completed the leader state transition for topic mytest part

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