Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/448#discussion_r12304083
--- Diff: graphx/src/main/scala/org/apache/spark/graphx/VertexRDD.scala ---
@@ -71,18 +71,18 @@ class VertexRDD[@specialized VD: ClassTag](
override protected def getPreferredLocations(s: Partition): Seq[String] =
partitionsRDD.preferredLocations(s)
- override def persist(newLevel: StorageLevel): VertexRDD[VD] = {
+ override def persist(newLevel: StorageLevel): this.type = {
--- End diff --
Oh right, I guess I was actually looking at the functions `cache` and
`persist` below. Those could be dropped though?
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