[jira] [Work stopped] (HIVE-17289) EXPORT and IMPORT shouldn't perform distcp with doAs privileged user.

["Sankar Hariappan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-17289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-17289 stopped by Sankar Hariappan.
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> 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
>
>
> 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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