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Posted to dev@tez.apache.org by "Zhiyuan Yang (JIRA)" <ji...@apache.org> on 2017/05/24 20:35:04 UTC

[jira] [Created] (TEZ-3739) Fair CartesianProduct doesn't works well with huge difference in output size

Zhiyuan Yang created TEZ-3739:
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             Summary: Fair CartesianProduct doesn't works well with huge difference in output size
                 Key: TEZ-3739
                 URL: https://issues.apache.org/jira/browse/TEZ-3739
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Zhiyuan Yang
            Assignee: Zhiyuan Yang


Specifically, the weighted factorization of initial parallelism goes crazy if #record of each side is too different. The formula works in real number, but not in integer.



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