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From "Anubhav Dhoot (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2225) Turn the virtual memory check to be off by default
Date Fri, 27 Jun 2014 21:59:24 GMT

     [ https://issues.apache.org/jira/browse/YARN-2225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anubhav Dhoot updated YARN-2225:
--------------------------------

    Attachment: YARN-2225.patch

> 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
>            Assignee: Anubhav Dhoot
>         Attachments: YARN-2225.patch
>
>
> 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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