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Posted to yarn-issues@hadoop.apache.org by "Anubhav Dhoot (JIRA)" <ji...@apache.org> on 2014/06/27 23:55:25 UTC

[jira] [Created] (YARN-2225) Turn the virtual memory check to be off by default

Anubhav Dhoot created YARN-2225:
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             Summary: Turn the virtual memory check to be off by default
                 Key: YARN-2225
                 URL: https://issues.apache.org/jira/browse/YARN-2225
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Anubhav Dhoot


The virtual memory check may not be the best way to isolate applications. Virtual memory is not the constrained resource. It would be better if we limit the swapping of the task using swapiness instead. This patch will turn this off by default and let users turn it on if they need to.



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