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https://issues.apache.org/jira/browse/HIVE-13667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15303709#comment-15303709
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Prasanth Jayachandran commented on HIVE-13667:
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Not a highest priority item yet. If no patch by next week we can defer this.
> Improve performance for ServiceInstanceSet.getByHost
> ----------------------------------------------------
>
> Key: HIVE-13667
> URL: https://issues.apache.org/jira/browse/HIVE-13667
> Project: Hive
> Issue Type: Improvement
> Reporter: Siddharth Seth
> Assignee: Prasanth Jayachandran
>
> ServiceInstanceSet.getByHost is used for scheduling local tasks as well as
> constructing the log URL.
> It ends up traversing all hosts on each lookup. This should be avoided.
> cc [~prasanth_j]
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