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https://issues.apache.org/jira/browse/SPARK-21028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16047258#comment-16047258
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Apache Spark commented on SPARK-21028:
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User 'ajaysaini725' has created a pull request for this issue:
https://github.com/apache/spark/pull/18281
> Parallel One vs. Rest Classifier Scala
> --------------------------------------
>
> Key: SPARK-21028
> URL: https://issues.apache.org/jira/browse/SPARK-21028
> Project: Spark
> Issue Type: New Feature
> Components: ML
> Affects Versions: 2.2.0, 2.2.1
> Reporter: Ajay Saini
>
> Right now the Scala implementation of the one vs. rest algorithm allows for
> parallelism but does not allow for the amount of parallelism to be tuned.
> Adding a tunable parameter for the number of jobs to run in parallel at a
> time would be useful because it would allow the user to adjust the level of
> parallelism to be optimal for their task.
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