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From "Prasad Mujumdar" <pras...@cloudera.com>
Subject Re: Review Request: HIVE-4620: MR temp directory conflicts in case of parallel execution mode
Date Mon, 03 Jun 2013 06:17:55 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/11464/
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(Updated June 3, 2013, 6:17 a.m.)


Review request for hive, Ashutosh Chauhan and Navis Ryu.


Changes
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Updated patch per review comments
 - renamed taskID to taskRunnerID
 - removed extra call to set the pre-thread runner id. It's already handled in the thread
local's overloaded initialValue().


Description
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MR temp directory conflicts in case of parallel execution mode MR temp directory conflicts
in Hive parallel execution mode.
Patch includes adding a per thread task counter to the MR scratch directory path set by hive.


This addresses bug HIVE-4620.
    https://issues.apache.org/jira/browse/HIVE-4620


Diffs (updated)
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  ql/src/java/org/apache/hadoop/hive/ql/Context.java 6466275 
  ql/src/java/org/apache/hadoop/hive/ql/exec/TaskRunner.java 56c2be6 

Diff: https://reviews.apache.org/r/11464/diff/


Testing
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Manual testing, full unit test run.


Thanks,

Prasad Mujumdar


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