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Posted to issues@tez.apache.org by "Zhiyuan Yang (JIRA)" <ji...@apache.org> on 2017/10/26 18:39:00 UTC

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

    [ https://issues.apache.org/jira/browse/TEZ-3666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16220980#comment-16220980 ] 

Zhiyuan Yang commented on TEZ-3666:
-----------------------------------

I'm so sorry for missing this ticket long time ago...Here is my +1. Committing...

> 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
>         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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