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https://issues.apache.org/jira/browse/YARN-4525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15319064#comment-15319064
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Carlo Curino commented on YARN-4525:
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Thanks to [~imenache] for spotting the issue and proposing the initial patch,
and to [~asuresh] for reviewing and committing.
> Fix bug in RLESparseResourceAllocation.getRangeOverlapping(...)
> ---------------------------------------------------------------
>
> Key: YARN-4525
> URL: https://issues.apache.org/jira/browse/YARN-4525
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Ishai Menache
> Assignee: Ishai Menache
> Fix For: 2.8.0
>
> Attachments: YARN-4525.1.patch, YARN-4525.2.patch, YARN-4525.patch
>
>
> One of our tests detected a corner case in getRangeOverlapping: When the
> RLESparseResourceAllocation object is a result of a merge operation, the
> underlying map is a "view" within some range. If 'end' is outside that
> range, headMap(..) throws an uncaught exception.
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