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Patrick Wendell commented on SPARK-1961: ---------------------------------------- Could you add a bit more information here or a reproduction? As it stands it's not really clear what this report means. > when data return from map is about 10 kb, reduce(_ + _) would always pending > ---------------------------------------------------------------------------- > > Key: SPARK-1961 > URL: https://issues.apache.org/jira/browse/SPARK-1961 > Project: Spark > Issue Type: Bug > Affects Versions: 1.0.0 > Reporter: zhoudi > -- This message was sent by Atlassian JIRA (v6.2#6252)