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https://issues.apache.org/jira/browse/YARN-8734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16615259#comment-16615259
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Eric Yang commented on YARN-8734:
---------------------------------

Patch 002 generalized the remote service dependency check into utility class.  
Test case added, and some style clean up.

> Readiness check for remote service
> ----------------------------------
>
>                 Key: YARN-8734
>                 URL: https://issues.apache.org/jira/browse/YARN-8734
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: yarn-native-services
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>            Priority: Major
>         Attachments: Dependency check vs.pdf, YARN-8734.001.patch, 
> YARN-8734.002.patch
>
>
> When a service is deploying, there can be remote service dependency.  It 
> would be nice to describe ZooKeeper as a dependent service, and the service 
> has reached a stable state, then deploy HBase.



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