Kent Yao created SPARK-29285:
--------------------------------
Summary: Temporary shuffle and local block should be able to
handle disk failures
Key: SPARK-29285
URL: https://issues.apache.org/jira/browse/SPARK-29285
Project: Spark
Issue Type: Improvement
Components: Shuffle
Affects Versions: 2.4.4
Reporter: Kent Yao
{code:java}
java.io.FileNotFoundException:
/mnt/dfs/4/yarn/local/usercache/da_haitao/appcache/application_1568691584183_1953115/blockmgr-cc4689f5-eddd-4b99-8af4-4166a86ec30b/10/temp_shuffle_79be5049-d1d5-4a81-8e67-4ef236d3834f
(No such file or directory)
at java.io.FileOutputStream.open0(Native Method)
at java.io.FileOutputStream.open(FileOutputStream.java:270)
at java.io.FileOutputStream.<init>(FileOutputStream.java:213)
at
org.apache.spark.storage.DiskBlockObjectWriter.initialize(DiskBlockObjectWriter.scala:103)
at
org.apache.spark.storage.DiskBlockObjectWriter.open(DiskBlockObjectWriter.scala:116)
at
org.apache.spark.storage.DiskBlockObjectWriter.write(DiskBlockObjectWriter.scala:249)
at
org.apache.spark.shuffle.sort.ShuffleExternalSorter.writeSortedFile(ShuffleExternalSorter.java:209)
at
org.apache.spark.shuffle.sort.ShuffleExternalSorter.closeAndGetSpills(ShuffleExternalSorter.java:416)
at
org.apache.spark.shuffle.sort.UnsafeShuffleWriter.closeAndWriteOutput(UnsafeShuffleWriter.java:230)
at
org.apache.spark.shuffle.sort.UnsafeShuffleWriter.write(UnsafeShuffleWriter.java:190)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:96)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:53)
at org.apache.spark.scheduler.Task.run(Task.scala:109)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:345)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
{code}
Local or temp shuffle files are initialized without checking because the
getFile method in DiskBlockManager probably return an existing subdirectory.
Sometimes, when a disk failure occurs, those files may become inaccessible and
throw FileNotFoundException later, which may fail the entire task. Task
re-running is a bit heavy for these errors, we may give another or more disks a
try at least.
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