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From "Mostafa Mokhtar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-9602) Hive on Tez : Launch an application master only when needed
Date Fri, 06 Feb 2015 22:02:35 GMT
Mostafa Mokhtar created HIVE-9602:
-------------------------------------

             Summary: Hive on Tez : Launch an application master only when needed
                 Key: HIVE-9602
                 URL: https://issues.apache.org/jira/browse/HIVE-9602
             Project: Hive
          Issue Type: New Feature
          Components: CLI
    Affects Versions: 0.14.0
            Reporter: Mostafa Mokhtar
            Assignee: Siddharth Seth


When all Yarn containers are busy a new Hive CLI session with Tez set as the execution engine
won't start as it attempts to allocate a container for the AM.

The request is to launch an AM only when needed.

Analysts log into hive using CLI, write queries , check the schema analyze explain etc.. then
launch a query, with the current model they are blocked from doing if the queue is full or
if all containers are busy.



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