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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/17876/
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(Updated Oct. 21, 2014, 3:58 p.m.)


Review request for pig.


Changes
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Addressed review comments and rebased patch


Bugs: PIG-3456
    https://issues.apache.org/jira/browse/PIG-3456


Repository: pig


Description
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1) DefaultTuple has a protected boolean isNull = false; which is never used. 
Removing this gives ~3-5% improvement for big jobs
2) Config checking with ThreadLocal conf is repeatedly done for each record. 
For eg: createDataBag in POCombinerPackage. But initialized only for first time 
in other places like POPackage, POJoinPackage, etc.


Diffs (updated)
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http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/PigConfiguration.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/CombinerPackager.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/POCollectedGroup.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/PODistinct.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/POPackage.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/POPartialAgg.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/POSort.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/Packager.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/builtin/Distinct.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/data/DefaultAbstractBag.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/data/DefaultTuple.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/data/InternalDistinctBag.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/data/SelfSpillBag.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestPOPartialAgg.java
 1633347 
  
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestTuple.java
 1633347 

Diff: https://reviews.apache.org/r/17876/diff/


Testing
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Full suite of unit tests pass


Thanks,

Rohini Palaniswamy

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