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https://issues.apache.org/jira/browse/MAPREDUCE-4384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee updated MAPREDUCE-4384:
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Attachment: mapreduce-4384.patch
A new test case tries to create the new entry race condition. I ran it many
times, but only got it to happen once.
> Race conditions in IndexCache
> -----------------------------
>
> Key: MAPREDUCE-4384
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4384
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.0.0-alpha
> Reporter: Kihwal Lee
> Assignee: Kihwal Lee
> Fix For: 0.23.3, 2.0.1-alpha, 3.0.0
>
> Attachments: mapreduce-4384.patch
>
>
> TestIndexCache is intermittently failing due to a race condition. Up on
> inspection of IndexCache implementation, more potential issues have been
> discovered.
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