Jun Rao created KAFKA-344:
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             Summary: migration tool from 0.7 to 0.8
                 Key: KAFKA-344
                 URL: https://issues.apache.org/jira/browse/KAFKA-344
             Project: Kafka
          Issue Type: Sub-task
          Components: core
    Affects Versions: 0.8
            Reporter: Jun Rao
             Fix For: 0.8


Since 0.8 is a non-backward compatible release, we need a migration tool. One 
way to do that is to have a tool that can mirror data from an 0.7 Kafka cluster 
into an 0.8 Kafka cluster. Once the mirror is set up, we can then first migrate 
the consumers to the 0.8 cluster, followed by the producers. After that, we can 
decommission the 0.7 cluster. 

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