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Posted to dev@hive.apache.org by "Owen O'Malley (JIRA)" <ji...@apache.org> on 2013/02/08 01:15:12 UTC

[jira] [Created] (HIVE-4000) Hive client goes into infinite loop at 100% cpu

Owen O'Malley created HIVE-4000:
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             Summary: Hive client goes into infinite loop at 100% cpu
                 Key: HIVE-4000
                 URL: https://issues.apache.org/jira/browse/HIVE-4000
             Project: Hive
          Issue Type: Bug
    Affects Versions: 0.9.0
            Reporter: Owen O'Malley
            Assignee: Owen O'Malley
             Fix For: 0.10.1


The Hive client starts multiple threads to track the progress of the MapReduce jobs. Unfortunately those threads access several static HashMaps that are not protected by locks. When the HashMaps are modified, they sometimes cause race conditions that lead to the client threads getting stuck in infinite loops.

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