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Date: Fri, 11 Dec 2015 23:22:46 +0000 (UTC)
From: "Prasanth Jayachandran (JIRA)" <jira@apache.org>
To: dev@hive.apache.org
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Subject: [jira] [Created] (HIVE-12659) LLAP should detect all nodes down
 state and stop issuing queries
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Prasanth Jayachandran created HIVE-12659:
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             Summary: LLAP should detect all nodes down state and stop issuing queries
                 Key: HIVE-12659
                 URL: https://issues.apache.org/jira/browse/HIVE-12659
             Project: Hive
          Issue Type: Bug
          Components: llap
    Affects Versions: 2.0.0, 2.1.0
            Reporter: Prasanth Jayachandran


I ran a simple query with 1 task in llap and for some reason llap daemon was down (all nodes down scenario). But queries got submitted repeatedly to the daemon and got killed by tez AM infinitely. Single task got killed over 20 times and had to ctrl + c. We need to detect all nodes down scenarios (using Zookeeper?) and notify the client of the scenario and fail early. 


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