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https://issues.apache.org/jira/browse/KAFKA-499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neha Narkhede updated KAFKA-499:
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    Attachment: kafka-499-v2.patch

Rebased and fixed a minor JMX bean issue
                
> Refactor controller state machine 
> ----------------------------------
>
>                 Key: KAFKA-499
>                 URL: https://issues.apache.org/jira/browse/KAFKA-499
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 0.8
>            Reporter: Neha Narkhede
>            Assignee: Neha Narkhede
>            Priority: Blocker
>              Labels: optimization
>         Attachments: kafka-499-v1.patch, kafka-499-v2.patch
>
>   Original Estimate: 96h
>  Remaining Estimate: 96h
>
> Currently, the controller logic is very procedural and is similar to 
> KafkaZookeeper. Controller should have a well defined state machine with 
> states and transitions. This will make it easier to understand and maintain 
> the controller code. 

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