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https://issues.apache.org/jira/browse/SPARK-8373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Or updated SPARK-8373:
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Affects Version/s: 1.4.0
> When an RDD has no partition, Python sum will throw "Can not reduce() empty
> RDD"
> --------------------------------------------------------------------------------
>
> Key: SPARK-8373
> URL: https://issues.apache.org/jira/browse/SPARK-8373
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Affects Versions: 1.4.0
> Reporter: Shixiong Zhu
> Priority: Minor
>
> The issue is because "sum" uses "reduce". Replacing it with "fold" will fix
> it.
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