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Posted to dev@pig.apache.org by Rohini Palaniswamy <ro...@gmail.com> on 2017/12/27 02:40:05 UTC
Review Request 64844: PIG-5323: Implement LastInputStreamingOptimizer
in Tez
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/64844/
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Review request for pig.
Repository: pig
Description
-------
http://pig.apache.org/docs/r0.17.0/perf.html#join-optimizations
>Optimization for regular joins ensures that the last table in the join is not brought into memory but streamed through instead. Optimization reduces the amount of memory used which means you can avoid spilling the data and also should be able to scale your query to larger data volumes.
To take advantage of this optimization, make sure that the table with the largest number of tuples per key is the last table in your query. In some of our tests we saw 10x performance improvement as the result of this optimization.
We are not doing that in Tez and both the tables are materialized as InternalCachedBag.
Diffs
-----
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/MRCompiler.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/JoinPackager.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/POOptimizedForEach.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/tez/TezDagBuilder.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/tez/TezLauncher.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/tez/plan/operator/POShuffleTezLoad.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/tez/plan/optimizer/LastInputStreamingOptimizerTez.java PRE-CREATION
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/data/EmptyDataBag.java PRE-CREATION
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/data/ReadOnceBag.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-1-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-3-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-3.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-4-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-4.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-5-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-5.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-6-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-6.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-7-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-7.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Cross-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Cross-2.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Cross-3.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Join-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-LoadStore-3.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-LoadStore-5.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-LoadStore-6.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-LoadStore-7.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-MQ-2-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-MQ-2.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-MQ-4-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-MQ-4.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-SelfJoin-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-SelfJoin-2.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-SelfJoin-5.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-SelfJoin-6.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-SkewJoin-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-SkewJoin-2.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-12-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-12.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-15-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-15.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-16-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-16.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-22.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-3-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-3.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-6-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-6.gld 1819291
Diff: https://reviews.apache.org/r/64844/diff/1/
Testing
-------
Thanks,
Rohini Palaniswamy
Re: Review Request 64844: PIG-5323: Implement
LastInputStreamingOptimizer in Tez
Posted by Rohini Palaniswamy <ro...@gmail.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/64844/
-----------------------------------------------------------
(Updated Dec. 28, 2017, 8:33 p.m.)
Review request for pig.
Bugs: PIG-5323
https://issues.apache.org/jira/browse/PIG-5323
Repository: pig
Description
-------
http://pig.apache.org/docs/r0.17.0/perf.html#join-optimizations
>Optimization for regular joins ensures that the last table in the join is not brought into memory but streamed through instead. Optimization reduces the amount of memory used which means you can avoid spilling the data and also should be able to scale your query to larger data volumes.
To take advantage of this optimization, make sure that the table with the largest number of tuples per key is the last table in your query. In some of our tests we saw 10x performance improvement as the result of this optimization.
We are not doing that in Tez and both the tables are materialized as InternalCachedBag.
Diffs
-----
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/MRCompiler.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/JoinPackager.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/POOptimizedForEach.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/tez/TezDagBuilder.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/tez/TezLauncher.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/tez/plan/operator/POShuffleTezLoad.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/tez/plan/optimizer/LastInputStreamingOptimizerTez.java PRE-CREATION
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/data/EmptyDataBag.java PRE-CREATION
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/data/ReadOnceBag.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-1-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-3-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-3.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-4-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-4.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-5-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-5.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-6-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-6.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-7-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-7.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Cross-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Cross-2.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Cross-3.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Join-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-LoadStore-3.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-LoadStore-5.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-LoadStore-6.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-LoadStore-7.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-MQ-2-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-MQ-2.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-MQ-4-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-MQ-4.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-SelfJoin-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-SelfJoin-2.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-SelfJoin-5.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-SelfJoin-6.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-SkewJoin-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-SkewJoin-2.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-12-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-12.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-15-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-15.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-16-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-16.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-22.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-3-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-3.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-6-OPTOFF.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-6.gld 1819291
Diff: https://reviews.apache.org/r/64844/diff/1/
Testing
-------
All unit and e2e tests pass
Thanks,
Rohini Palaniswamy
Re: Review Request 64844: PIG-5323: Implement
LastInputStreamingOptimizer in Tez
Posted by Rohini Palaniswamy <ro...@gmail.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/64844/
-----------------------------------------------------------
(Updated Dec. 27, 2017, 2:40 a.m.)
Review request for pig.
Repository: pig
Description
-------
http://pig.apache.org/docs/r0.17.0/perf.html#join-optimizations
>Optimization for regular joins ensures that the last table in the join is not brought into memory but streamed through instead. Optimization reduces the amount of memory used which means you can avoid spilling the data and also should be able to scale your query to larger data volumes.
To take advantage of this optimization, make sure that the table with the largest number of tuples per key is the last table in your query. In some of our tests we saw 10x performance improvement as the result of this optimization.
We are not doing that in Tez and both the tables are materialized as InternalCachedBag.
Diffs
-----
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/MRCompiler.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/JoinPackager.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/POOptimizedForEach.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/tez/TezDagBuilder.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/tez/TezLauncher.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/tez/plan/operator/POShuffleTezLoad.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/tez/plan/optimizer/LastInputStreamingOptimizerTez.java PRE-CREATION
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/data/EmptyDataBag.java PRE-CREATION
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/data/ReadOnceBag.java 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-1-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-3-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-3.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-4-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-4.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-5-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-5.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-6-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-6.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-7-KeyToReducer.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-BloomJoin-7.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Cross-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Cross-2.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Cross-3.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Join-1.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-LoadStore-3.gld 1819291
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-LoadStore-5.gld 1819291
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http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/data/GoldenFiles/tez/TEZC-Union-6.gld 1819291
Diff: https://reviews.apache.org/r/64844/diff/1/
Testing (updated)
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All unit and e2e tests pass
Thanks,
Rohini Palaniswamy