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https://issues.apache.org/jira/browse/YARN-9845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Mollitor updated YARN-9845:
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Summary: Update LocalResourcesTrackerImpl to Use Java 8 Map Concurrent API
(was: Update to Use Java 8 Map Concurrent API)
> Update LocalResourcesTrackerImpl to Use Java 8 Map Concurrent API
> -----------------------------------------------------------------
>
> Key: YARN-9845
> URL: https://issues.apache.org/jira/browse/YARN-9845
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager
> Affects Versions: 3.2.0
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Minor
>
> https://github.com/apache/hadoop/blob/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/LocalResourcesTrackerImpl.java#L467
> Class is using a {{ConcurrentHashMap}} but is not taking advantage of it.
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