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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4640) Replace synchronized HashSet with something from util.concurrent in DelegationTkenRenewer
Date Mon, 25 Jan 2016 22:59:39 GMT
Daniel Templeton created YARN-4640:
--------------------------------------

             Summary: Replace synchronized HashSet with something from util.concurrent in
DelegationTkenRenewer
                 Key: YARN-4640
                 URL: https://issues.apache.org/jira/browse/YARN-4640
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: resourcemanager
            Reporter: Daniel Templeton
            Assignee: Daniel Templeton


{code}
      this.referringAppIds = Collections.synchronizedSet(
          new HashSet<ApplicationId>(applicationIds));
{code}

should probably be a {{ConcurrentHashMap}}.



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