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From Sergio Pena <>
Subject Re: Review Request 55994: HIVE-15736: Add unit tests to Utilities.getInputSummary() method for multi-threading cases
Date Thu, 26 Jan 2017 20:09:08 GMT

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(Updated Jan. 26, 2017, 8:09 p.m.)

Review request for hive, Mohit Sabharwal, Sahil Takiar, and Vihang Karajgaonkar.

Bugs: HIVE-15736

Repository: hive-git

Description (updated)

Added unit tests on TestUtilities to validate 
- Single and multiple threads 
- InputEstimator usage
- ContentSummaryInputFormat usage.

It also fixed an issue with the InputEstimator scenario where the values returned by the InputEstimator
where overriden later by the correct filesystem calls.

An interesting thing (code commented while it is on review) is that when executing the InputEstimator
code path the line commented seems are not needed. It might
be that the idea was to set some configurations to the jobConf, but the jobConf was never
passed as parameter to the estimate method. Please help me verify this.


  ql/src/java/org/apache/hadoop/hive/ql/exec/ 68dd5e7247415dec1e353010ea34481c4f2fc6cd

  ql/src/test/org/apache/hadoop/hive/ql/exec/ PRE-CREATION 
  ql/src/test/org/apache/hadoop/hive/ql/exec/ e444946e990d9adb90ce24837cfe4edcf5126d3a



Waiting for tests HiveQA


Sergio Pena

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