Andrew Or created SPARK-2609:
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Summary: Log thread ID when spilling ExternalAppendOnlyMap
Key: SPARK-2609
URL: https://issues.apache.org/jira/browse/SPARK-2609
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 1.0.1
Reporter: Andrew Or
Priority: Minor
Fix For: 1.1.0
It may be useful to track down whether one thread is constantly spilling,
versus multiple threads are spilling relatively infrequently.
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