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https://issues.apache.org/jira/browse/YARN-2225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhijie Shen resolved YARN-2225.
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Resolution: Invalid
Close the jira according to the comments so far. Feel free to reopen it if
someone has other thoughts.
> 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 DEFAULT_NM_VMEM_CHECK_ENABLED off by default and let users turn it on if
> they need to.
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