Sankar Hariappan updated HIVE-17289:
    Status: Patch Available  (was: Open)

> EXPORT and IMPORT shouldn't perform distcp with doAs privileged user.
> ---------------------------------------------------------------------
>                 Key: HIVE-17289
>                 URL: https://issues.apache.org/jira/browse/HIVE-17289
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HiveServer2, repl
>    Affects Versions: 3.0.0
>            Reporter: Sankar Hariappan
>            Assignee: Sankar Hariappan
>              Labels: DR, Import, replication
>             Fix For: 3.0.0
>         Attachments: HIVE-17289.01.patch
> Currently, EXPORT uses distcp to dump data files to dump directory and IMPORT 
> uses distcp to copy the larger files/large number of files from dump 
> directory to table staging directory. But, this copy fails as distcp is 
> always done with doAs user specified in hive.distcp.privileged.doAs, which is 
> "hdfs' by default.
> Need to remove usage of doAs user when try to distcp from EXPORT/IMPORT flow.
> Privileged user based distcp should be done only for REPL DUMP/LOAD commands.
> Also, need to set the default config for hive.distcp.privileged.doAs to 
> "hive" as "hdfs" super-user is never allowed.

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