Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/448#discussion_r12346614
--- Diff: graphx/src/main/scala/org/apache/spark/graphx/EdgeRDD.scala ---
@@ -51,18 +51,12 @@ class EdgeRDD[@specialized ED: ClassTag](
override def collect(): Array[Edge[ED]] = this.map(_.copy()).collect()
- override def persist(newLevel: StorageLevel): EdgeRDD[ED] = {
+ override def persist(newLevel: StorageLevel): this.type = {
partitionsRDD.persist(newLevel)
this
}
- /** Persist this RDD with the default storage level (`MEMORY_ONLY`). */
- override def persist(): EdgeRDD[ED] = persist(StorageLevel.MEMORY_ONLY)
-
- /** Persist this RDD with the default storage level (`MEMORY_ONLY`). */
- override def cache(): EdgeRDD[ED] = persist()
--- End diff --
@mridulm It's not necessary to overload these anymore.
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