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Posted to issues@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2018/06/19 22:23:00 UTC

[jira] [Commented] (HIVE-19946) VectorizedRowBatchCtx.recordIdColumnVector cannot be shared between different JVMs

    [ https://issues.apache.org/jira/browse/HIVE-19946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16517594#comment-16517594 ] 

Sergey Shelukhin commented on HIVE-19946:
-----------------------------------------

+1 pending tests.
cc [~mmccline] this is related to VectorMapOperator

> VectorizedRowBatchCtx.recordIdColumnVector cannot be shared between different JVMs
> ----------------------------------------------------------------------------------
>
>                 Key: HIVE-19946
>                 URL: https://issues.apache.org/jira/browse/HIVE-19946
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Teddy Choi
>            Assignee: Teddy Choi
>            Priority: Major
>         Attachments: HIVE-19946.1.patch
>
>
> VectorizedRowBatchCtx.recordIdColumnVector was used temporarily to pass record id column, which is virtual, between a reducer and a mapper. However, when the reducer and the mapper are not in a same JVM, it makes incorrect results.



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