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Posted to dev@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2015/02/28 02:59:04 UTC

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

Gopal V created HIVE-9820:
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             Summary: 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
            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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