Neha Narkhede created KAFKA-705:
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             Summary: Controlled shutdown doesn't seem to work on more than one 
broker in a cluster
                 Key: KAFKA-705
                 URL: https://issues.apache.org/jira/browse/KAFKA-705
             Project: Kafka
          Issue Type: Bug
          Components: core
    Affects Versions: 0.8
            Reporter: Neha Narkhede
            Assignee: Joel Koshy
            Priority: Critical


I wrote a script (attached here) to basically round robin through the brokers 
in a cluster doing the following 2 operations on each of them -

1. Send the controlled shutdown admin command. If it succeeds
2. Restart the broker

What I've observed is that only one broker is able to finish the above 
successfully the first time around. For the rest of the iterations, no broker 
is able to shutdown using the admin command and every single time it fails with 
the error message stating the same number of leaders on every broker. 



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