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