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-rw-r--r--graphx/src/main/scala/org/apache/spark/graphx/Pregel.scala1
1 files changed, 1 insertions, 0 deletions
diff --git a/graphx/src/main/scala/org/apache/spark/graphx/Pregel.scala b/graphx/src/main/scala/org/apache/spark/graphx/Pregel.scala
index 4572eab287..5e55620147 100644
--- a/graphx/src/main/scala/org/apache/spark/graphx/Pregel.scala
+++ b/graphx/src/main/scala/org/apache/spark/graphx/Pregel.scala
@@ -150,6 +150,7 @@ object Pregel extends Logging {
oldMessages.unpersist(blocking=false)
newVerts.unpersist(blocking=false)
prevG.unpersistVertices(blocking=false)
+ prevG.edges.unpersist(blocking=false)
// count the iteration
i += 1
}