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From "Matt McCline (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-8296) Tez ReduceShuffle Vectorization needs 2 data buffers (key and value) for adding rows
Date Tue, 30 Sep 2014 00:20:34 GMT

     [ https://issues.apache.org/jira/browse/HIVE-8296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matt McCline updated HIVE-8296:
-------------------------------
    Summary: Tez ReduceShuffle Vectorization needs 2 data buffers (key and value) for adding
rows  (was: Tez ReduceShuffle Vectorization needs to data buffers (key and value) for adding
rows)

> Tez ReduceShuffle Vectorization needs 2 data buffers (key and value) for adding rows
> ------------------------------------------------------------------------------------
>
>                 Key: HIVE-8296
>                 URL: https://issues.apache.org/jira/browse/HIVE-8296
>             Project: Hive
>          Issue Type: Bug
>          Components: Tez, Vectorization
>    Affects Versions: 0.14.0
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>             Fix For: 0.14.0
>
>         Attachments: HIVE-8296.01.patch, HIVE-8296.02.patch
>
>
> We reuse the keys for the vectorized row batch and need to use a separate buffer (for
strings) for reuse the batch for new values.



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