Hi All, I wanted to set *StorageLevel.MEMORY_AND_DISK_SER* in my spark-streaming program as currently i am getting MetadataFetchFailedException*. *I am not sure where i should pass StorageLevel.MEMORY_AND_DISK, as it seems like createDirectStream doesn't allow to pass that parameter.
val messages = KafkaUtils.createDirectStream[String, String, StringDecoder, StringDecoder]( ssc, kafkaParams, topicsSet) Full Error: *org.apache.spark.shuffle.MetadataFetchFailedException: Missing an output location for shuffle 0* at org.apache.spark.MapOutputTracker$$anonfun$org$apache$spark$MapOutputTracker$$convertMapStatuses$2.apply(MapOutputTracker.scala:460) at org.apache.spark.MapOutputTracker$$anonfun$org$apache$spark$MapOutputTracker$$convertMapStatuses$2.apply(MapOutputTracker.scala:456) at scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:772) at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108) at scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:771) at org.apache.spark.MapOutputTracker$.org$apache$spark$MapOutputTracker$$convertMapStatuses(MapOutputTracker.scala:456) at org.apache.spark.MapOutputTracker.getMapSizesByExecutorId(MapOutputTracker.scala:183) at org.apache.spark.shuffle.hash.HashShuffleReader.read(HashShuffleReader.scala:47) at org.apache.spark.rdd.ShuffledRDD.compute(ShuffledRDD.scala:90) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:300) at org.apache.spark.rdd.RDD.iterator(RDD.scala:264) at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:300) at org.apache.spark.CacheManager.getOrCompute(CacheManager.scala:69) at org.apache.spark.rdd.RDD.iterator(RDD.scala:262) at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66) at org.apache.spark.scheduler.Task.run(Task.scala:88) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) ) Thanks, ~Vinti