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https://issues.apache.org/jira/browse/YARN-4948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15457265#comment-15457265
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Naganarasimha G R commented on YARN-4948:
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Sorry [~wjlei], my bad! thought had replied for it. As [~wangda] mentioned had
discussecd on this issue and to add on top of this Constraint label[YARN-3409]
would add more data for each node, so thought we will wait once the approach is
finalized for it and then take account of size of data and frequency of updates
and then confirm whether ZK store for Node Labels would be ideal. Because of
these open points held on to further review.
> 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-4948.006.patch, YARN-4948.007.patch
>
>
> Support node labels store in zookeeper. 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 will fail to start up,too. So it is meaningful
> for make yarn much independence when user serve both yarn and HDFS.
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