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From "Brenden Matthews" <>
Subject Re: Review Request: Don't prematurely kill TaskTrackers.
Date Mon, 03 Jun 2013 18:02:20 GMT

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(Updated June 3, 2013, 6:02 p.m.)

Review request for mesos.

Description (updated)

Don't prematurely kill TaskTrackers.

We assign the JobID to the internal Mesos tracker (for the TaskTracker)
rather than the TaskID.

In the case where a TaskTracker has only map tasks assigned to it and
they have all completed, we mustn't terminate the tracker until the
entire job has finished, including the map tasks.


Diffs (updated)

  hadoop/mesos/src/java/org/apache/hadoop/mapred/ afe401f5265e3d9494af7eace42eec45943184a3



Used in production at airbnb.


Brenden Matthews

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