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https://issues.apache.org/jira/browse/KAFKA-350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13419280#comment-13419280
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Guozhang Wang commented on KAFKA-350:
-------------------------------------

Would it be better to have a general read/write formatting for boolean, like 
writeBoolean/readBoolean just like writeShortString/readShortString? Then we do 
not need to specify, for example, in TopicMetadata:

sealed trait LeaderRequest { def requestId: Byte }
case object LeaderExists extends LeaderRequest { val requestId: Byte = 1 }
case object LeaderDoesNotExist extends LeaderRequest { val requestId: Byte = 0 }


which would need to be done for every request/response that has a boolean.
                
> Enable message replication in the presence of controlled failures
> -----------------------------------------------------------------
>
>                 Key: KAFKA-350
>                 URL: https://issues.apache.org/jira/browse/KAFKA-350
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 0.8
>            Reporter: Neha Narkhede
>            Assignee: Neha Narkhede
>         Attachments: kafka-350-v1.patch
>
>
> KAFKA-46 introduced message replication feature in the absence of server 
> failures. This JIRA will improve the log recovery logic and fix other bugs to 
> enable message replication to happen in the presence of controlled server 
> failures

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