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Posted to issues@hive.apache.org by "Sankar Hariappan (JIRA)" <ji...@apache.org> on 2018/09/03 04:44:00 UTC

[jira] [Updated] (HIVE-20476) CopyUtils used by REPL LOAD and EXPORT/IMPORT operations ignore distcp error.

     [ https://issues.apache.org/jira/browse/HIVE-20476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sankar Hariappan updated HIVE-20476:
------------------------------------
    Status: Open  (was: Patch Available)

> CopyUtils used by REPL LOAD and EXPORT/IMPORT operations ignore distcp error.
> -----------------------------------------------------------------------------
>
>                 Key: HIVE-20476
>                 URL: https://issues.apache.org/jira/browse/HIVE-20476
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2, repl
>    Affects Versions: 3.1.0
>            Reporter: Sankar Hariappan
>            Assignee: Sankar Hariappan
>            Priority: Major
>              Labels: DR, Export, Import, Replication, pull-request-available
>         Attachments: HIVE-20476.01.patch
>
>
> CopyUtils uses FileUtils.distCp to copy files but doesn't check the return value. It returns false if the copy fails.
> Now, REPL LOAD and EXPORT/IMPORT commands internally uses CopyUtils to copy data files across clusters and here it may return success even if file copy fails and may cause data loss.
> Need to throw error and retry.



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