Github user BryanCutler commented on a diff in the pull request: https://github.com/apache/spark/pull/18281#discussion_r123675948 --- Diff: mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala --- @@ -271,17 +274,40 @@ object OneVsRestModel extends MLReadable[OneVsRestModel] { @Since("1.4.0") final class OneVsRest @Since("1.4.0") ( @Since("1.4.0") override val uid: String) - extends Estimator[OneVsRestModel] with OneVsRestParams with MLWritable { + extends Estimator[OneVsRestModel] with OneVsRestParams with ParallelismParam with MLWritable { + +// /** +// * param for the number of processes to use when running parallel one vs. rest +// * The implementation of parallel one vs. rest runs the classification for +// * each class in a separate process. +// * @group param +// */ +// @Since("2.3.0") +// val parallelism = new IntParam(this, "parallelism", +// "the number of processes to use when running parallel one vs. rest", ParamValidators.gtEq(1)) +// +// setDefault( +// parallelism -> 1 +// ) --- End diff -- need to remove this and other comment blocks
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