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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12935) LLAP: Replace Yarn registry with Zookeeper registry
Date Wed, 27 Jan 2016 18:48:39 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15119958#comment-15119958
] 

Prasanth Jayachandran commented on HIVE-12935:
----------------------------------------------

Also tested the patch by flexing up and down slider instances to see how it affects the llap
task scheduler. 

> LLAP: Replace Yarn registry with Zookeeper registry
> ---------------------------------------------------
>
>                 Key: HIVE-12935
>                 URL: https://issues.apache.org/jira/browse/HIVE-12935
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>         Attachments: 12935.1.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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