Github user yangyangyyy commented on a diff in the pull request:
https://github.com/apache/spark/pull/17697#discussion_r112805327
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/rdd/MLPairRDDFunctions.scala ---
@@ -49,6 +49,18 @@ class MLPairRDDFunctions[K: ClassTag, V: ClassTag](self:
RDD[(K, V)]) extends Se
}
).mapValues(_.toArray.sorted(ord.reverse)) // This is a min-heap, so
we reverse the order.
}
+
+ def topByKeyUsingBuckets(num: Int, bucketsCount: Int = 200)(implicit
ord: Ordering[V]): RDD[(K, Array[V])] = {
--- End diff --
does this exist in scala ? I thought scala does not allow overloading and
default argument values are supposed to replace that. let me check ...
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