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https://issues.apache.org/jira/browse/HIVE-12935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth Jayachandran updated HIVE-12935:
-----------------------------------------
    Attachment: HIVE-12935.7.patch

added proper synchronization per Sid's comments.

> LLAP: Replace Yarn registry with Zookeeper registry
> ---------------------------------------------------
>
>                 Key: HIVE-12935
>                 URL: https://issues.apache.org/jira/browse/HIVE-12935
>             Project: Hive
>          Issue Type: Improvement
>    Affects Versions: 2.0.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>         Attachments: 12935.1.patch, HIVE-12935.2.patch, HIVE-12935.3.patch, 
> HIVE-12935.4.patch, HIVE-12935.5.patch, HIVE-12935.6.patch, HIVE-12935.7.patch
>
>
> Existing YARN registry service for cluster membership has to depend on 
> refresh intervals to get the list of instances/daemons that are running in 
> the cluster. Better approach would be replace it with zookeeper based 
> registry service so that custom listeners can be added to update healthiness 
> of daemons in the cluster.  



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