Mala Chikka Kempanna created SPARK-30225:
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Summary: "stream is corrup" exception on reading of shuffle
disk-spilled data
Key: SPARK-30225
URL: https://issues.apache.org/jira/browse/SPARK-30225
Project: Spark
Issue Type: Bug
Components: Input/Output
Affects Versions: 2.4.0
Reporter: Mala Chikka Kempanna
There is issues with spark.unsafe.sorter.spill.read.ahead.enabled in spark
2.4.0, which is introduced by https://issues.apache.org/jira/browse/SPARK-23366
Workaround for this problem is to disable readahead of unsafe spill with
following.
--conf spark.unsafe.sorter.spill.read.ahead.enabled=false
<code>
19/12/10 01:51:31 INFO sort.ShuffleExternalSorter: Thread 142 spilling sort
data of 5.1 GB to disk (1 time so far)19/12/10 01:51:31 INFO
sort.ShuffleExternalSorter: Thread 142 spilling sort data of 5.1 GB to disk (1
time so far)19/12/10 01:52:48 INFO sort.ShuffleExternalSorter: Thread 142
spilling sort data of 5.1 GB to disk (2 times so far)19/12/10 01:53:53 ERROR
executor.Executor: Exception in task 6.0 in stage 0.0 (TID
6)java.io.IOException: Stream is corrupted at
net.jpountz.lz4.LZ4BlockInputStream.refill(LZ4BlockInputStream.java:202) at
net.jpountz.lz4.LZ4BlockInputStream.refill(LZ4BlockInputStream.java:228) at
net.jpountz.lz4.LZ4BlockInputStream.read(LZ4BlockInputStream.java:157) at
org.apache.spark.io.ReadAheadInputStream$1.run(ReadAheadInputStream.java:168)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)19/12/10 01:53:53 INFO
executor.CoarseGrainedExecutorBackend: Got assigned task 3319/12/10 01:53:53
INFO executor.Executor: Running task 8.1 in stage 0.0 (TID 33)19/12/10 01:54:00
INFO sort.UnsafeExternalSorter: Thread 142 spilling sort data of 3.3 GB to disk
(0 time so far)19/12/10 01:54:30 INFO executor.Executor: Executor is trying to
kill task 8.1 in stage 0.0 (TID 33), reason: Stage cancelled19/12/10 01:54:30
INFO executor.Executor: Executor killed task 8.1 in stage 0.0 (TID 33), reason:
Stage cancelled19/12/10 01:54:52 INFO executor.CoarseGrainedExecutorBackend:
Driver commanded a shutdown
</code>
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