Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
Hive >> mail # dev >> Review Request: HIVE-4620: MR temp directory conflicts in case of parallel execution mode


Copy link to this message
-
Re: Review Request: HIVE-4620: MR temp directory conflicts in case of parallel execution mode

-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/11464/
-----------------------------------------------------------

(Updated June 3, 2013, 6:17 a.m.)
Review request for hive, Ashutosh Chauhan and Navis Ryu.
Changes
-------

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
-------

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)
-----

  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
-------

Manual testing, full unit test run.
Thanks,

Prasad Mujumdar