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Date: Fri, 22 Apr 2016 11:47:13 +0000 (UTC)
From: "Naganarasimha G R (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.12855530.1439380960000.7630.1461325633071@Atlassian.JIRA>
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Subject: [jira] [Commented] (YARN-4048) Linux kernel panic under strict CPU
 limits
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    [ https://issues.apache.org/jira/browse/YARN-4048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15253789#comment-15253789 ] 

Naganarasimha G R commented on YARN-4048:
-----------------------------------------

Hi [~scootli]

It was a private code modification based on 2.7.0 and is not available outside. Hence no documentation of it either.

> Linux kernel panic under strict CPU limits
> ------------------------------------------
>
>                 Key: YARN-4048
>                 URL: https://issues.apache.org/jira/browse/YARN-4048
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.7.1
>            Reporter: Chengbing Liu
>            Priority: Critical
>         Attachments: panic.png
>
>
> With YARN-2440 and YARN-2531, we have seen some kernel panics happening under heavy pressure. Even with YARN-2809, it still panics.
> We are using CentOS 6.5, hadoop 2.5.0-cdh5.2.0 with the above patches. I guess the latest version also has the same issue.


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