Alexander Pivovarov created SPARK-12655:
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Summary: GraphX does not unpersist RDDs
Key: SPARK-12655
URL: https://issues.apache.org/jira/browse/SPARK-12655
Project: Spark
Issue Type: Bug
Components: GraphX
Affects Versions: 1.5.2
Reporter: Alexander Pivovarov
Looks like Graph does not clean all RDDs from the cache on unpersist
{code}
// 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
{code}
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