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From "Rui Li" <rui...@intel.com>
Subject Review Request 25774: Support merging small files
Date Thu, 18 Sep 2014 10:39:14 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/25774/
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Review request for hive and Xuefu Zhang.


Bugs: HIVE-8043
    https://issues.apache.org/jira/browse/HIVE-8043


Repository: hive-git


Description
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Support merging files for spark.
For non-rc files, the merging task is simply a MapWork.
For RC/Orc files, the merging task is a MergeFileWork. And SparkMergeFileRecordHandler is
added to handle it.


Diffs
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  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/HiveMapFunction.java 5078a3a 
  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/HiveMapFunctionResultList.java c54bffe

  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/SparkMapRecordHandler.java 2537789 
  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/SparkMergeFileRecordHandler.java PRE-CREATION

  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/SparkPlanGenerator.java 9b11fe4 
  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/SparkRecordHandler.java 3eea26a 
  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/SparkReduceRecordHandler.java 94ebcdd 
  ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMapRedUtils.java b0a9407 
  ql/src/test/queries/clientpositive/disable_merge_for_bucketing.q 471d296 
  ql/src/test/queries/clientpositive/merge1.q c7249af 
  ql/src/test/queries/clientpositive/merge2.q bb86dc2 
  ql/src/test/results/clientpositive/spark/merge1.q.out 772984d 
  ql/src/test/results/clientpositive/spark/merge2.q.out 8d8dcb8 

Diff: https://reviews.apache.org/r/25774/diff/


Testing
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Thanks,

Rui Li


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