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Posted to issues@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2015/12/04 02:27:11 UTC

[jira] [Updated] (HIVE-9820) LLAP: Use a share-nothing scoreboard /status implementation

     [ https://issues.apache.org/jira/browse/HIVE-9820?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey Shelukhin updated HIVE-9820:
-----------------------------------
    Assignee: Yohei Abe

> 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
>            Assignee: Yohei Abe
>
> 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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