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Date: Sun, 31 Jul 2016 10:10:20 +0000 (UTC)
From: "Yu (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.12979740.1466069802000.180208.1469959820667@Atlassian.JIRA>
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References: <JIRA.12979740.1466069802000@Atlassian.JIRA> <JIRA.12979740.1466069802164@arcas>
Subject: [jira] [Commented] (YARN-5261) Lease/Reclaim Extension to Yarn
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archived-at: Sun, 31 Jul 2016 10:10:22 -0000


    [ https://issues.apache.org/jira/browse/YARN-5261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401081#comment-15401081 ] 

Yu commented on YARN-5261:
--------------------------

The 3 failed units are not related to my patch.

> Lease/Reclaim Extension to Yarn
> -------------------------------
>
>                 Key: YARN-5261
>                 URL: https://issues.apache.org/jira/browse/YARN-5261
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: scheduler
>            Reporter: Yu
>         Attachments: YARN-5261-1.patch, YARN-5261-2.patch, YARN-5261-3.patch, YARN-5261-4.patch, YARN-5261-5.patch, Yarn-5261.pdf
>
>
> In some clusters outside of Yarn, the machines resources are not fully utilized, e.g., resource usage is quite low at night.  
> To better utilize the resources while keep the existing SLA of the cluster, Lease/Reclaim Extension to Yarn is introduced.


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