[jira] [Created] (SPARK-9109) Unpersist a graph object does not work properly

["Tien-Dung LE (JIRA)" <ji...@apache.org>]

Tien-Dung LE created SPARK-9109:
-----------------------------------

             Summary: Unpersist a graph object does not work properly
                 Key: SPARK-9109
                 URL: https://issues.apache.org/jira/browse/SPARK-9109
             Project: Spark
          Issue Type: Bug
    Affects Versions: 1.4.0, 1.3.1
            Reporter: Tien-Dung LE


Unpersist a graph object does not work properly.

Here is the code to produce 

<code>
import org.apache.spark.graphx._
import org.apache.spark.rdd.RDD
import org.slf4j.LoggerFactory
import org.apache.spark.graphx.util.GraphGenerators

val graph: Graph[Long, Long] =
  GraphGenerators.logNormalGraph(sc, numVertices = 100).mapVertices( (id, _) => id.toLong ).mapEdges( e => e.attr.toLong)
  
graph.cache().numEdges
graph.unpersist()
</code>

There should not be any cached RDDs in storage (http://localhost:4040/storage/).



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