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Posted to yarn-issues@hadoop.apache.org by "Nathan Roberts (JIRA)" <ji...@apache.org> on 2016/07/11 15:29:11 UTC

[jira] [Created] (YARN-5352) Allow container-executor to use private /tmp

Nathan Roberts created YARN-5352:
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             Summary: Allow container-executor to use private /tmp 
                 Key: YARN-5352
                 URL: https://issues.apache.org/jira/browse/YARN-5352
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: nodemanager
            Reporter: Nathan Roberts
            Assignee: Nathan Roberts


It's very common for user code to create things in /tmp. Yes, applications have means to specify alternate tmp directories but doing so is opt-in and therefore doesn't happen in many case.  At a minimum, linux can use private namespaces to create a private /tmp for each container so that it's using the same space allocated to containers and it's automatically cleaned up as part of container clean-up.







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