[jira] Commented: (HIVE-2037) Merge result file size should honor hive.merge.size.per.task

["Joydeep Sen Sarma (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-2037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13004802#comment-13004802 ] 

Joydeep Sen Sarma commented on HIVE-2037:
-----------------------------------------

looks ok - please run the tests and i will commit.

> Merge result file size should honor hive.merge.size.per.task
> ------------------------------------------------------------
>
>                 Key: HIVE-2037
>                 URL: https://issues.apache.org/jira/browse/HIVE-2037
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Ning Zhang
>            Assignee: Ning Zhang
>         Attachments: HIVE-2037.patch
>
>
> The merge job set mapred.min.split.size to the value of hive.merge.size.per.task, which roughly equals to the output file size. However the input split size is also determined by mapred.min.split.size.per.node, mapred.min.split.size.per.rack, and mapred.max.split.size. They should be set the same as hive.merge.size.per.task as well.

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