diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/src/main/scala/org/apache/spark/examples/streaming/QueueStream.scala | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/examples/src/main/scala/org/apache/spark/examples/streaming/QueueStream.scala b/examples/src/main/scala/org/apache/spark/examples/streaming/QueueStream.scala index 13ba9a43ec..5455aed220 100644 --- a/examples/src/main/scala/org/apache/spark/examples/streaming/QueueStream.scala +++ b/examples/src/main/scala/org/apache/spark/examples/streaming/QueueStream.scala @@ -17,7 +17,7 @@ package org.apache.spark.examples.streaming -import scala.collection.mutable.SynchronizedQueue +import scala.collection.mutable.Queue import org.apache.spark.SparkConf import org.apache.spark.rdd.RDD @@ -34,7 +34,7 @@ object QueueStream { // Create the queue through which RDDs can be pushed to // a QueueInputDStream - val rddQueue = new SynchronizedQueue[RDD[Int]]() + val rddQueue = new Queue[RDD[Int]]() // Create the QueueInputDStream and use it do some processing val inputStream = ssc.queueStream(rddQueue) @@ -45,7 +45,9 @@ object QueueStream { // Create and push some RDDs into for (i <- 1 to 30) { - rddQueue += ssc.sparkContext.makeRDD(1 to 1000, 10) + rddQueue.synchronized { + rddQueue += ssc.sparkContext.makeRDD(1 to 1000, 10) + } Thread.sleep(1000) } ssc.stop() |