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https://issues.apache.org/jira/browse/YARN-4948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15365988#comment-15365988
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Naganarasimha G R commented on YARN-4948:
-----------------------------------------

Hi [~wjlei], Thanks for working on this jira, I had a breif discussion on the 
this jira offline with [~wangda], my main interests with this was for the issue 
reported in  YARN-4881. but seems like there is configuration like 
*"yarn.node-labels.fs-store.retry-policy-spec"* should mitigate the issue to 
pretty decent extent. And an possible limitation for Zookeeper store would be 
based on YARN-3409 we would introduce multiple labels per node, so we were 
little skeptical about the performance in the case of a large cluster. So i 
thought of waiting till some progress in YARN-3409 (Constraint labels) jira 
which i am planning to start and then take the decision for this.
At the same time would like to know your scenario for making use of Zookeeper ? 
Can you define more about your use case?
     

> 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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