srowen commented on a change in pull request #24531: [SPARK-27636][MLLIB]Remove
cached RDD blocks after PIC execution
URL: https://github.com/apache/spark/pull/24531#discussion_r281640309
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File path:
mllib/src/main/scala/org/apache/spark/mllib/clustering/PowerIterationClustering.scala
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@@ -412,11 +434,21 @@ object PowerIterationClustering extends Logging {
*/
private[clustering]
def kMeans(v: VertexRDD[Double], k: Int): VertexRDD[Int] = {
- val points = v.mapValues(x => Vectors.dense(x)).cache()
+ val points = v.mapValues(Vectors.dense(_)).cache()
Review comment:
Not a big deal but you can remove `(_)` here and below
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