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https://issues.apache.org/jira/browse/SPARK-16797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15399948#comment-15399948
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Dongjoon Hyun commented on SPARK-16797:
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Hi, [~bjeffrey].
Could you give me more information how to find that? For me, it seems to raise
a proper exception like the following.
{code}
scala> spark.sparkContext.parallelize(1 to 10).repartition(0)
java.lang.IllegalArgumentException: requirement failed: Number of partitions
(0) must be positive.
{code}
> Repartiton call w/ 0 partitions drops data
> ------------------------------------------
>
> Key: SPARK-16797
> URL: https://issues.apache.org/jira/browse/SPARK-16797
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.6.2, 2.0.0
> Reporter: Bryan Jeffrey
> Priority: Minor
> Labels: easyfix
>
> When you call RDD.repartition(0) or DStream.repartition(0), the input data
> silently dropped. This should not silently fail; instead an exception should
> be thrown to alert the user to the issue.
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