Github user MLnick commented on a diff in the pull request:
https://github.com/apache/spark/pull/11119#discussion_r83694799
--- Diff: mllib/src/main/scala/org/apache/spark/ml/util/ReadWrite.scala ---
@@ -446,6 +459,11 @@ private[ml] object DefaultParamsReader {
val cls = Utils.classForName(metadata.className)
cls.getMethod("read").invoke(null).asInstanceOf[MLReader[T]].load(path)
}
+
+ def loadInitialModel[M <: Model[M]](path: String, sc: SparkContext):
Try[M] = {
+ val initialModelPath = new Path(path, "initialModel").toString
+ Try(loadParamsInstance[M](initialModelPath, sc))
--- End diff --
I don't think the overhead is that large, and if there is no model then it
should fail fast as the directory won't exist.
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