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https://reviews.apache.org/r/31811/
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Review request for hive and Xuefu Zhang.


Bugs: HIVE-8851
    https://issues.apache.org/jira/browse/HIVE-8851


Repository: hive-git


Description
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Instead of loading small tables from HDFS, we add them to Spark context. Later 
on, we load them back from Spark context local folder.


Diffs
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  common/src/java/org/apache/hadoop/hive/common/FileUtils.java 91f67b7 
  ql/src/java/org/apache/hadoop/hive/ql/exec/SparkHashTableSinkOperator.java 
3fd7ea9 
  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/HashTableLoader.java 129e97b 
  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/HiveSparkClient.java 383eebe 
  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/LocalHiveSparkClient.java 
7e33a3f 
  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/RemoteHiveSparkClient.java 
f1d65ea 
  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/SparkTask.java 1342afe 
  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/SparkUtilities.java 91d83f3 
  ql/src/java/org/apache/hadoop/hive/ql/exec/spark/session/SparkSession.java 
3d4b39b 
  
ql/src/java/org/apache/hadoop/hive/ql/exec/spark/session/SparkSessionImpl.java 
603f1ca 
  
ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/SparkMapJoinResolver.java
 69004dc 
  spark-client/src/main/java/org/apache/hive/spark/client/SparkClientImpl.java 
5de7c2e 

Diff: https://reviews.apache.org/r/31811/diff/


Testing
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Unit test


Thanks,

Jimmy Xiang

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