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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/935/
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Review request for hive.
Summary
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For a table stored as RCFile, intermediate results are sometimes merged if
those files are below a certain threshold. For RCFiles, we can do a block level
merge that does not deserialize the blocks and is more efficient. This patch
leverages the existing code used to merge for ALTER TABLE ... CONCATENATE.
This addresses bug HIVE-2035.
https://issues.apache.org/jira/browse/HIVE-2035
Diffs
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trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java 1134415
trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/TaskFactory.java 1134415
trunk/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/merge/BlockMergeTask.java
1134415
trunk/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/merge/MergeWork.java
1134415
trunk/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/merge/RCFileBlockMergeRecordReader.java
1134415
trunk/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/merge/RCFileKeyBufferWrapper.java
1134415
trunk/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/merge/RCFileMergeMapper.java
1134415
trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMRFileSink1.java
1134415
trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/ConditionalResolverMergeFiles.java
1134415
trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/MapredWork.java 1134415
trunk/ql/src/test/queries/clientpositive/rcfile_createas1.q PRE-CREATION
trunk/ql/src/test/queries/clientpositive/rcfile_insert.q PRE-CREATION
trunk/ql/src/test/queries/clientpositive/rcfile_merge1.q PRE-CREATION
trunk/ql/src/test/queries/clientpositive/rcfile_merge2.q PRE-CREATION
trunk/ql/src/test/queries/clientpositive/rcfile_merge3.q PRE-CREATION
trunk/ql/src/test/queries/clientpositive/rcfile_merge4.q PRE-CREATION
trunk/ql/src/test/results/clientpositive/rcfile_createas1.q.out PRE-CREATION
trunk/ql/src/test/results/clientpositive/rcfile_insert.q.out PRE-CREATION
trunk/ql/src/test/results/clientpositive/rcfile_merge1.q.out PRE-CREATION
trunk/ql/src/test/results/clientpositive/rcfile_merge2.q.out PRE-CREATION
trunk/ql/src/test/results/clientpositive/rcfile_merge3.q.out PRE-CREATION
trunk/ql/src/test/results/clientpositive/rcfile_merge4.q.out PRE-CREATION
Diff: https://reviews.apache.org/r/935/diff
Testing
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Thanks,
Franklin
