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https://issues.apache.org/jira/browse/SPARK-8584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14598707#comment-14598707
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Apache Spark commented on SPARK-8584:
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User 'andrewor14' has created a pull request for this issue:
https://github.com/apache/spark/pull/6968
> Better exception message if invalid checkpoint dir is specified
> ---------------------------------------------------------------
>
> Key: SPARK-8584
> URL: https://issues.apache.org/jira/browse/SPARK-8584
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.0.0
> Reporter: Andrew Or
> Assignee: Andrew Or
>
> If we're running Spark on a cluster, the checkpoint dir must be a non-local
> path. Otherwise, the attempt to read from a checkpoint will fail because the
> checkpoint files are written on the executors, not on the driver.
> Currently, the error message that you get looks something like the following,
> which is not super intuitive:
> {code}
> Checkpoint RDD 3 (0) has different number of partitions than original RDD 2
> (100)
> {code}
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