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https://issues.apache.org/jira/browse/KAFKA-886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13646237#comment-13646237
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Jun Rao commented on KAFKA-886:
-------------------------------

Thanks for the update. Look good. The following sentence is not very accurate. 
In ack=0, the producer will lose messages from the time the leader is moved by 
controlled shutdown, till the time the broker is shut down. Once the broker is 
shutdown, the producer will detect the failure. It will then refresh the 
metadata and send the data to the new leader.

"The client would end up loosing messages till the shutdown broker is brought 
back up."
                
> Update info on Controlled shutdown and Preferred replica election tool
> ----------------------------------------------------------------------
>
>                 Key: KAFKA-886
>                 URL: https://issues.apache.org/jira/browse/KAFKA-886
>             Project: Kafka
>          Issue Type: Sub-task
>    Affects Versions: 0.8
>            Reporter: Sriram Subramanian
>            Assignee: Sriram Subramanian
>            Priority: Blocker
>              Labels: p1
>


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