Xiangrui Meng created SPARK-4350:
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Summary: aggregate doesn't make copies of zeroValue in local mode
Key: SPARK-4350
URL: https://issues.apache.org/jira/browse/SPARK-4350
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 1.1.0, 1.0.2, 1.2.0
Reporter: Xiangrui Meng
Priority: Critical
RDD.aggregate makes a copy of zeroValue to collect the task result. However, it
doesn't make copies of zeroValue for each partition. In local mode, this causes
race conditions.
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