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| -rw-r--r-- | bagel/src/main/scala/org/apache/spark/bagel/Bagel.scala | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/bagel/src/main/scala/org/apache/spark/bagel/Bagel.scala b/bagel/src/main/scala/org/apache/spark/bagel/Bagel.scala index 70a99b33d7..ef0bb2ac13 100644 --- a/bagel/src/main/scala/org/apache/spark/bagel/Bagel.scala +++ b/bagel/src/main/scala/org/apache/spark/bagel/Bagel.scala @@ -72,6 +72,7 @@ object Bagel extends Logging { var verts = vertices var msgs = messages var noActivity = false + var lastRDD: RDD[(K, (V, Array[M]))] = null do { logInfo("Starting superstep " + superstep + ".") val startTime = System.currentTimeMillis @@ -83,6 +84,10 @@ object Bagel extends Logging { val superstep_ = superstep // Create a read-only copy of superstep for capture in closure val (processed, numMsgs, numActiveVerts) = comp[K, V, M, C](sc, grouped, compute(_, _, aggregated, superstep_), storageLevel) + if (lastRDD != null) { + lastRDD.unpersist(false) + } + lastRDD = processed val timeTaken = System.currentTimeMillis - startTime logInfo("Superstep %d took %d s".format(superstep, timeTaken / 1000)) |