Merge result file size should honor hive.merge.size.per.task
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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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