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Posted to issues@tez.apache.org by "Ming Ma (JIRA)" <ji...@apache.org> on 2017/03/22 18:56:41 UTC

[jira] [Created] (TEZ-3666) Integer overflow in ShuffleVertexManagerBase

Ming Ma created TEZ-3666:
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             Summary: Integer overflow in ShuffleVertexManagerBase
                 Key: TEZ-3666
                 URL: https://issues.apache.org/jira/browse/TEZ-3666
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Ming Ma


In function getExpectedStatsInAtIndex, {{statsInMB[index] * numTasks / numVMEventsReceived}} could cause Integer overflow, for example when statsInMB[index]  == 30000 and numTasks == 200000.



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