// open spark-shell 1.5.2 // run import org.apache.spark.graphx._
val vert = sc.parallelize(List((1L, 1), (2L, 2), (3L, 3)), 1) val edges = sc.parallelize(List(Edge[Long](1L, 2L), Edge[Long](1L, 3L)), 1) val g0 = Graph(vert, edges) val g = g0.partitionBy(PartitionStrategy.EdgePartition2D, 2) val cc = g.connectedComponents() cc.unpersist() g.unpersist() g0.unpersist() vert.unpersist() edges.unpersist() // open http://localhost:4040/storage/ // Spark UI 4040 Storage page still shows 2 items // VertexRDD Memory Deserialized 1x Replicated 1 100% 1688.0 B 0.0 B 0.0 B // EdgeRDD Memory Deserialized 1x Replicated 2 100% 4.7 KB 0.0 B 0.0 B
