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Posted to issues@spark.apache.org by "roncenzhao (JIRA)" <ji...@apache.org> on 2017/08/20 11:16:03 UTC
[jira] [Created] (SPARK-21794) exception about reading task serial
data(broadcast) value when the storage memory is not enough to unroll
roncenzhao created SPARK-21794:
----------------------------------
Summary: exception about reading task serial data(broadcast) value when the storage memory is not enough to unroll
Key: SPARK-21794
URL: https://issues.apache.org/jira/browse/SPARK-21794
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 2.1.1, 2.0.1
Reporter: roncenzhao
```
17/08/09 19:27:43 ERROR Utils: Exception encountered
java.util.NoSuchElementException
at org.apache.spark.util.collection.PrimitiveVector$$anon$1.next(PrimitiveVector.scala:58)
at org.apache.spark.storage.memory.PartiallyUnrolledIterator.next(MemoryStore.scala:697)
at org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:30)
at org.apache.spark.broadcast.TorrentBroadcast$$anonfun$readBroadcastBlock$1$$anonfun$2.apply(TorrentBroadcast.scala:178)
at org.apache.spark.broadcast.TorrentBroadcast$$anonfun$readBroadcastBlock$1$$anonfun$2.apply(TorrentBroadcast.scala:178)
at scala.Option.map(Option.scala:146)
at org.apache.spark.broadcast.TorrentBroadcast$$anonfun$readBroadcastBlock$1.apply(TorrentBroadcast.scala:178)
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1276)
at org.apache.spark.broadcast.TorrentBroadcast.readBroadcastBlock(TorrentBroadcast.scala:174)
at org.apache.spark.broadcast.TorrentBroadcast._value$lzycompute(TorrentBroadcast.scala:65)
at org.apache.spark.broadcast.TorrentBroadcast._value(TorrentBroadcast.scala:65)
at org.apache.spark.broadcast.TorrentBroadcast.getValue(TorrentBroadcast.scala:89)
at org.apache.spark.broadcast.Broadcast.value(Broadcast.scala:70)
at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:72)
at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:47)
at org.apache.spark.scheduler.Task.run(Task.scala:86)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:274)
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)
17/08/09 19:27:43 INFO UnifiedMemoryManager: Will not store broadcast_5 as the required space (1048576 bytes) exceeds our memory limit (878230 bytes)
17/08/09 19:27:43 WARN MemoryStore: Failed to reserve initial memory threshold of 1024.0 KB for computing block broadcast_5 in memory.
17/08/09 19:27:43 WARN MemoryStore: Not enough space to cache broadcast_5 in memory! (computed 384.0 B so far)
17/08/09 19:27:43 INFO MemoryStore: Memory use = 857.6 KB (blocks) + 0.0 B (scratch space shared across 0 tasks(s)) = 857.6 KB. Storage limit = 857.6 KB.
17/08/09 19:27:43 ERROR Utils: Exception encountered
java.util.NoSuchElementException
at org.apache.spark.util.collection.PrimitiveVector$$anon$1.next(PrimitiveVector.scala:58)
at org.apache.spark.storage.memory.PartiallyUnrolledIterator.next(MemoryStore.scala:697)
at org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:30)
at org.apache.spark.broadcast.TorrentBroadcast$$anonfun$readBroadcastBlock$1$$anonfun$2.apply(TorrentBroadcast.scala:178)
at org.apache.spark.broadcast.TorrentBroadcast$$anonfun$readBroadcastBlock$1$$anonfun$2.apply(TorrentBroadcast.scala:178)
at scala.Option.map(Option.scala:146)
at org.apache.spark.broadcast.TorrentBroadcast$$anonfun$readBroadcastBlock$1.apply(TorrentBroadcast.scala:178)
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1276)
at org.apache.spark.broadcast.TorrentBroadcast.readBroadcastBlock(TorrentBroadcast.scala:174)
at org.apache.spark.broadcast.TorrentBroadcast._value$lzycompute(TorrentBroadcast.scala:65)
at org.apache.spark.broadcast.TorrentBroadcast._value(TorrentBroadcast.scala:65)
at org.apache.spark.broadcast.TorrentBroadcast.getValue(TorrentBroadcast.scala:89)
at org.apache.spark.broadcast.Broadcast.value(Broadcast.scala:70)
at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:72)
at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:47)
at org.apache.spark.scheduler.Task.run(Task.scala:86)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:274)
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)
```
This exception is caused in `MemoryStore.putIteratorAsValues()`. When `keepUnrolling` is false in the first time, the `vector: SizeTrackingVector` is not null and is empty. So when call the iterator method of `vector`, it throws this exception.
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