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From "Yohei Abe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9820) LLAP: Use a share-nothing scoreboard /status implementation
Date Tue, 24 Nov 2015 02:46:11 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15023647#comment-15023647
] 

Yohei Abe commented on HIVE-9820:
---------------------------------

could you assign this ticket to me ?

> LLAP: Use a share-nothing scoreboard /status implementation
> -----------------------------------------------------------
>
>                 Key: HIVE-9820
>                 URL: https://issues.apache.org/jira/browse/HIVE-9820
>             Project: Hive
>          Issue Type: Sub-task
>          Components: llap
>    Affects Versions: llap
>            Reporter: Gopal V
>
> To prevent thread-conflicts in executor information, the Apache HTTP servers use a share-nothing
data structure known as a scoreboard.
> This is read by various systems like mod_status to read out the current state of  executors
available for PHP (and similar mod_* engines).
> The /status output is traditionally periodically read by the load-balancers to route
requests away from busy machines.



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