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Posted to yarn-issues@hadoop.apache.org by "Daniel Templeton (JIRA)" <ji...@apache.org> on 2016/09/01 19:56:20 UTC

[jira] [Created] (YARN-5613) Fair Scheduler can assign containers from blacklisted nodes

Daniel Templeton created YARN-5613:
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             Summary: Fair Scheduler can assign containers from blacklisted nodes
                 Key: YARN-5613
                 URL: https://issues.apache.org/jira/browse/YARN-5613
             Project: Hadoop YARN
          Issue Type: Bug
          Components: fairscheduler
    Affects Versions: 2.8.0
            Reporter: Daniel Templeton
            Assignee: Daniel Templeton


The {{FairScheduler.allocate()}} makes its resource request before it updates the blacklist.  If the scheduler processes the resource request before the allocating thread updates the blacklist, the scheduler can assign containers that are on nodes in the blacklist.



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