diff options
-rw-r--r-- | core/src/main/scala/org/apache/spark/rdd/RDD.scala | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/core/src/main/scala/org/apache/spark/rdd/RDD.scala b/core/src/main/scala/org/apache/spark/rdd/RDD.scala index 5fcef255e1..10610f4b6f 100644 --- a/core/src/main/scala/org/apache/spark/rdd/RDD.scala +++ b/core/src/main/scala/org/apache/spark/rdd/RDD.scala @@ -434,11 +434,11 @@ abstract class RDD[T: ClassTag]( * @return A random sub-sample of the RDD without replacement. */ private[spark] def randomSampleWithRange(lb: Double, ub: Double, seed: Long): RDD[T] = { - this.mapPartitionsWithIndex { case (index, partition) => + this.mapPartitionsWithIndex( { (index, partition) => val sampler = new BernoulliCellSampler[T](lb, ub) sampler.setSeed(seed + index) sampler.sample(partition) - } + }, preservesPartitioning = true) } /** |