Neha Narkhede created KAFKA-423:
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             Summary: On startup, highwatermark file should be written to only 
after all local replicas have been started
                 Key: KAFKA-423
                 URL: https://issues.apache.org/jira/browse/KAFKA-423
             Project: Kafka
          Issue Type: Bug
    Affects Versions: 0.8
            Reporter: Neha Narkhede
            Assignee: Neha Narkhede


On startup, the replica manager starts local replicas for all partitions on 
disk. At the same time, it also schedules the highwatermark checkpoint thread. 
The thread takes the in-memory local replica data structure and writes the 
highwatermark values for each of those to disk. However, the replica manager 
should checkpoint data only after the internal local replica data structures 
are populated or else the highwatermark file can end up being overwritten with 
empty or fewer values.

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