Sandy Ryza created SPARK-2574:
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Summary: Avoid allocating new ArrayBuffer in groupByKey's
mergeCombiner
Key: SPARK-2574
URL: https://issues.apache.org/jira/browse/SPARK-2574
Project: Spark
Issue Type: Sub-task
Components: Spark Core
Affects Versions: 1.0.0
Reporter: Sandy Ryza-- This message was sent by Atlassian JIRA (v6.2#6252)
