[jira] [Created] (KAFKA-830) partition replica assignment map in the controller should be a Set

["Neha Narkhede (JIRA)" <ji...@apache.org>]

Neha Narkhede created KAFKA-830:
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             Summary: partition replica assignment map in the controller should be a Set
                 Key: KAFKA-830
                 URL: https://issues.apache.org/jira/browse/KAFKA-830
             Project: Kafka
          Issue Type: Bug
            Reporter: Neha Narkhede
            Assignee: Neha Narkhede
            Priority: Blocker
             Fix For: 0.8


partitionReplicaAssignment currently stores the list of assigned replicas as a sequence. When a broker comes online, the replica state machine adds the broker to the list of assigned replicas. It should do that only if the replica is already not in the list of assigned replicas. This causes the replication factor to be incorrectly calculated

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