GitHub user kayousterhout opened a pull request:
https://github.com/apache/spark/pull/4488
SPARK-5701: Only set ShuffleReadMetrics when task has shuffle deps
The updateShuffleReadMetrics method in TaskMetrics (called by the executor
heartbeater) will currently always add a ShuffleReadMetrics to TaskMetrics
(with values set to 0), even when the task didn't read any shuffle data.
ShuffleReadMetrics should only be added if the task reads shuffle data.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kayousterhout/spark-1 SPARK-5701
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4488.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4488
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commit 673ed585c2c9c7aa6e7f970a78d003257f35c66b
Author: Kay Ousterhout <[email protected]>
Date: 2015-02-10T01:08:21Z
SPARK-5701: Only set ShuffleReadMetrics when task has shuffle deps
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