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https://issues.apache.org/jira/browse/HIVE-15242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15713770#comment-15713770
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Prasanth Jayachandran commented on HIVE-15242:
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lgtm, +1
> LLAP: Act on Node update notifications from registry, fix isAlive checks
> ------------------------------------------------------------------------
>
> Key: HIVE-15242
> URL: https://issues.apache.org/jira/browse/HIVE-15242
> Project: Hive
> Issue Type: Task
> Reporter: Siddharth Seth
> Assignee: Sergey Shelukhin
> Attachments: HIVE-15242.01.patch, HIVE-15242.02.patch,
> HIVE-15242.03.patch, HIVE-15242.04.patch
>
>
> isAlive checks are currently completely broken, since the ZK registry does
> not update existing ServiceIsntances. Instead it creates new instances each
> time.
> This causes non-existant nodes to be used for scheduling in case of node
> failures.
> Also, act on the notifications sent by the registry about nodes going down,
> or new nodes being added. (new nodes already handled)
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