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https://issues.apache.org/jira/browse/HIVE-16483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15975652#comment-15975652
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Xuefu Zhang commented on HIVE-16483:
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+1 pending on test results.
> HoS should populate split related configurations to HiveConf
> ------------------------------------------------------------
>
> Key: HIVE-16483
> URL: https://issues.apache.org/jira/browse/HIVE-16483
> Project: Hive
> Issue Type: Bug
> Components: Spark
> Reporter: Chao Sun
> Assignee: Chao Sun
> Attachments: HIVE-16483.1.patch
>
>
> There are several split related configurations, such as
> {{MAPREDMINSPLITSIZE}}, {{MAPREDMINSPLITSIZEPERNODE}},
> {{MAPREDMINSPLITSIZEPERRACK}}, etc., that should be populated to HiveConf.
> Currently we only do this for {{MAPREDMINSPLITSIZE}}.
> All the others, if not set, will be using the default value, which is 1.
> Without these, Spark sometimes will not merge small files for file formats
> such as text.
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