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_r281042329
##########
File path:
mllib/src/main/scala/org/apache/spark/mllib/clustering/PowerIterationClustering.scala
##########
@@ -417,6 +435,17 @@ object PowerIterationClustering extends Logging {
.setK(k)
.setSeed(0L)
.run(points.values)
- points.mapValues(p => model.predict(p)).cache()
+
+ val predict = points.mapValues(p => model.predict(p)).cache()
Review comment:
Can just be `.mapValues(model.predict)` while we're here. Same with
`Vectors.dense` above.
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