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https://issues.apache.org/jira/browse/SPARK-9487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15660237#comment-15660237
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Saikat Kanjilal commented on SPARK-9487:
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Understood, so I wanted a fresh look at this from a different dev environment,
so on my macbook pro I tried changing the setting to local[2] and local[4] for
JavaAPISuite, it seems that they both fail so yes mimicing the real Jeankins
failure will be hard, should I close this pull request till this is fixed and
resubmit a new one, I have no idea at this point how long debugging this or
even replicating this will take, thoughts on a suitable set of next steps?
> Use the same num. worker threads in Scala/Python unit tests
> -----------------------------------------------------------
>
> Key: SPARK-9487
> URL: https://issues.apache.org/jira/browse/SPARK-9487
> Project: Spark
> Issue Type: Improvement
> Components: PySpark, Spark Core, SQL, Tests
> Affects Versions: 1.5.0
> Reporter: Xiangrui Meng
> Labels: starter
> Attachments: ContextCleanerSuiteResults, HeartbeatReceiverSuiteResults
>
>
> In Python we use `local[4]` for unit tests, while in Scala/Java we use
> `local[2]` and `local` for some unit tests in SQL, MLLib, and other
> components. If the operation depends on partition IDs, e.g., random number
> generator, this will lead to different result in Python and Scala/Java. It
> would be nice to use the same number in all unit tests.
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