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Posted to issues@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2017/09/27 17:34:00 UTC

[jira] [Commented] (HIVE-17526) Disable conversion to ACID if table has _copy_N files on branch-1

    [ https://issues.apache.org/jira/browse/HIVE-17526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16182958#comment-16182958 ] 

Eugene Koifman commented on HIVE-17526:
---------------------------------------

+1 pending tests

> Disable conversion to ACID if table has _copy_N files on branch-1
> -----------------------------------------------------------------
>
>                 Key: HIVE-17526
>                 URL: https://issues.apache.org/jira/browse/HIVE-17526
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>            Reporter: Daniel Voros
>            Assignee: Daniel Voros
>             Fix For: 1.3.0
>
>         Attachments: HIVE-17526.1-branch-1.patch
>
>
> As discussed in HIVE-16177, non-ACID to ACID conversion can lead to data loss if the table has *_copy_N files.
> The patch for HIVE-16177 is quite massive and would basically need a reimplementation to apply for branch-1 since the related code paths have diverged a lot. We could disable the conversion to ACID if there are *_copy_N files instead.



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