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From "jialei weng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4948) Support node labels store in zookeeper
Date Thu, 07 Jul 2016 14:06:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-4948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15366158#comment-15366158

jialei weng commented on YARN-4948:

Hi, [~Naganarasimha], Thanks for reply. The main scenario for this is to give a way to decouple
yarn with HDFS. Since nodelabel is a very important data for yarn, if hdfs down, yarn still
fail to start up. So I think this change is meaningful for make yarn much independence when
user serve both yarn and HDFS. I make a way to beyond the zknode 1MB storage limitation. In
UT, it can support 100000 nodemanager, recover all 100000 node nodelabel cost 4 seconds. It
is really efficiency and reliable.

> Support node labels store in zookeeper
> --------------------------------------
>                 Key: YARN-4948
>                 URL: https://issues.apache.org/jira/browse/YARN-4948
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: jialei weng
>            Assignee: jialei weng
>         Attachments: YARN-4948.001.patch, YARN-4948.002.patch, YARN-4948.003.patch, YARN-4948.004.patch
> Support node labels store in zookeeper

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