shahidki31 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_r281043504
##########
File path:
mllib/src/main/scala/org/apache/spark/mllib/clustering/PowerIterationClustering.scala
##########
@@ -296,12 +299,15 @@ object PowerIterationClustering extends Logging {
},
mergeMsg = _ + _,
TripletFields.EdgeOnly)
- Graph(vD, gA.edges)
- .mapTriplets(
- e => e.attr / math.max(e.srcAttr, MLUtils.EPSILON),
- new TripletFields(/* useSrc */ true,
- /* useDst */ false,
- /* useEdge */ true))
+ val graph = Graph(vD, gA.edges).mapTriplets(
+ e => e.attr / math.max(e.srcAttr, MLUtils.EPSILON),
+ new TripletFields(/* useSrc */ true,
+ /* useDst */ false,
+ /* useEdge */ true))
+ materialize(graph)
+ gA.unpersist(true)
Review comment:
Done.
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