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Posted to issues@spark.apache.org by "Saikat Kanjilal (JIRA)" <ji...@apache.org> on 2016/12/08 20:41:58 UTC
[jira] [Commented] (SPARK-9487) Use the same num. worker threads in
Scala/Python unit tests
[ https://issues.apache.org/jira/browse/SPARK-9487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15733342#comment-15733342 ]
Saikat Kanjilal commented on SPARK-9487:
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Given the latest thread on the devlist thoughts [~srowen][~rxin] on next steps for this?
> 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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