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From "Hao Xia (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6343) JobConf.parseMaximumHeapSizeMB() fails to parse value greater than 2GB expressed in bytes
Date Tue, 28 Apr 2015 00:09:08 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14515989#comment-14515989
] 

Hao Xia commented on MAPREDUCE-6343:
------------------------------------

Instead of allowing larger than 2 PiB heap (which is unrealistic anyway), a less intrusive
fix could be using a long temp variable when parsing, and cast the final value back to int.

> JobConf.parseMaximumHeapSizeMB() fails to parse value greater than 2GB expressed in bytes
> -----------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6343
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6343
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Hao Xia
>
> It currently tries to parse the value as an integer, which blows up whenever the value
is greater than 2GB and expressed in bytes.



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