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https://issues.apache.org/jira/browse/MAPREDUCE-6343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14516648#comment-14516648
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Ray Chiang commented on MAPREDUCE-6343:
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Agree with #2. I was easily able to use examples in TestJobConf to set a
config and call the various memory methods in order to force a
NumberFormatException. It should be easy to add in any combination of config
settings corner cases to set.
> 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
> Attachments: parse-heap-size.patch
>
>
> 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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