Kay Ousterhout created SPARK-5701:
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Summary: Only set ShuffleReadMetrics when task does a shuffle
Key: SPARK-5701
URL: https://issues.apache.org/jira/browse/SPARK-5701
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 1.3.0, 1.2.1
Reporter: Kay Ousterhout
Priority: Minor
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.
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