[SPARK-10403] UnsafeRowSerializer can't work with UnsafeShuffleManager (tungsten-sort)

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.5.0
• Fix Version/s: 1.5.1, 1.6.0
• Component/s: SQL
• Target Version/s: 1.5.1, 1.6.0
• Assignee: Josh Rosen
• Reporter: Davies Liu
• Created: 01/Sep/15 19:32
• Updated: 23/Sep/15 18:32
• Resolved: 23/Sep/15 18:32

Description

UnsafeRowSerializer reply on EOF in the stream, but UnsafeRowWriter will not write EOF between partitions.

java.io.EOFException
	at java.io.DataInputStream.readInt(DataInputStream.java:392)
	at org.apache.spark.sql.execution.UnsafeRowSerializerInstance$$anon$3$$anon$1.next(UnsafeRowSerializer.scala:122)
	at org.apache.spark.sql.execution.UnsafeRowSerializerInstance$$anon$3$$anon$1.next(UnsafeRowSerializer.scala:110)
	at scala.collection.Iterator$$anon$13.next(Iterator.scala:372)
	at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
	at org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:30)
	at org.apache.spark.InterruptibleIterator.next(InterruptibleIterator.scala:43)
	at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
	at org.apache.spark.sql.execution.UnsafeExternalRowSorter.sort(UnsafeExternalRowSorter.java:174)
	at org.apache.spark.sql.execution.TungstenSort.org$apache$spark$sql$execution$TungstenSort$$executePartition$1(sort.scala:160)
	at org.apache.spark.sql.execution.TungstenSort$$anonfun$doExecute$4.apply(sort.scala:169)
	at org.apache.spark.sql.execution.TungstenSort$$anonfun$doExecute$4.apply(sort.scala:169)
	at org.apache.spark.rdd.MapPartitionsWithPreparationRDD.compute(MapPartitionsWithPreparationRDD.scala:64)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:297)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:264)
	at org.apache.spark.rdd.ZippedPartitionsRDD2.compute(ZippedPartitionsRDD.scala:99)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:297)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:264)
	at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:297)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:264)
	at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:297)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:264)
	at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:297)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:264)
	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73)
	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
	at org.apache.spark.scheduler.Task.run(Task.scala:88)
	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

Issue Links

• blocks: SPARK-10708 Consolidate SortShuffleManager and UnsafeShuffleManager
• links to: [Github] Pull Request #8873 (JoshRosen)