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Posted to dev@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2019/06/21 18:01:00 UTC

[jira] [Created] (HIVE-21913) GenericUDTFGetSplits should handle usernames in the same way as LLAP

Prasanth Jayachandran created HIVE-21913:
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             Summary: GenericUDTFGetSplits should handle usernames in the same way as LLAP
                 Key: HIVE-21913
                 URL: https://issues.apache.org/jira/browse/HIVE-21913
             Project: Hive
          Issue Type: Bug
    Affects Versions: 4.0.0, 3.2.0
            Reporter: Prasanth Jayachandran
            Assignee: Prasanth Jayachandran


LLAP ZK registry namespacing includes current user name which is typically hive. But in some deployments, usernames are created with '_' like hive_dev. RegistryUtils.currentUser() (that LLAP uses) replaces '_' with '-' for DNS reasons. But GenericUDTFSplits uses UGI login user which does not do the underscore replacement. As a result, LlapBaseInputFormat is finding any LLAP daemons even though they are running. 



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