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_r281322107
##########
File path:
mllib/src/main/scala/org/apache/spark/mllib/clustering/PowerIterationClustering.scala
##########
@@ -397,10 +406,15 @@ object PowerIterationClustering extends Logging {
s" difference delta = ${diffDelta} and norm = ${norm}")
}
}
+ curG.vertices.unpersist()
+ curG.edges.unpersist()
Review comment:
Actually `curG.unpersist` doesn't seem unpersist the edges rdd. One
`EdgeRDD` block is getting cached in every iteration. That is why I have
explicitely uncached into both edges and vertices
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