Rohini Palaniswamy created PIG-3456:
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Summary: Some minor performance improvements
Key: PIG-3456
URL: https://issues.apache.org/jira/browse/PIG-3456
Project: Pig
Issue Type: Improvement
Reporter: Rohini Palaniswamy
Assignee: Rohini Palaniswamy
Noticed few things while browsing code
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.
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