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From "Zhiyuan Yang (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (TEZ-3666) Integer overflow in ShuffleVertexManagerBase
Date Fri, 05 Jan 2018 00:18:24 GMT

     [ https://issues.apache.org/jira/browse/TEZ-3666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhiyuan Yang closed TEZ-3666.
-----------------------------

> 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
>            Assignee: Ming Ma
>             Fix For: 0.9.1
>
>         Attachments: TEZ-3666-2.patch, TEZ-3666.patch
>
>
> In function getExpectedStatsInAtIndex, {{statsInMB[index] * numTasks / numVMEventsReceived}}
could cause Integer overflow, for example when statsInMB[index]  == 30000 and numTasks ==
200000.



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