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Posted to dev@flink.apache.org by "zhijiang (JIRA)" <ji...@apache.org> on 2018/11/08 06:01:00 UTC

[jira] [Created] (FLINK-10820) Simplify the RebalancePartitioner implementation

zhijiang created FLINK-10820:
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             Summary: Simplify the RebalancePartitioner implementation
                 Key: FLINK-10820
                 URL: https://issues.apache.org/jira/browse/FLINK-10820
             Project: Flink
          Issue Type: Sub-task
          Components: Network
    Affects Versions: 1.8.0
            Reporter: zhijiang
            Assignee: zhijiang


The current {{RebalancePartitioner}} implementations seems a little hacky for selecting a random number as the first channel index, and the following selections based on this random index in round-robin fashion.

We can define a constant as the first channel index to make the implementation simple and readable. To do so, it will not change the rebalance semantics.



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