[HADOOP-4115] Reducer gets stuck in shuffle when local disk out of space

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Duplicate
• Affects Version/s: 0.17.2
• Assignee: Unassigned
• Reporter: Marco Nicosia
• Created: 08/Sep/08 16:09
• Updated: 08/Jul/09 16:52
• Resolved: 22/Sep/08 21:45

Description

2008-08-29 23:53:12,357 WARN org.apache.hadoop.mapred.ReduceTask: task_200808291851_0001_r_000245_0 Merging of the local FS files threw an exception: org.apache.hadoop.fs.FSError: java.io.IOException: No space left on device
at org.apache.hadoop.fs.RawLocalFileSystem$LocalFSFileOutputStream.write(RawLocalFileSystem.java:199)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
at java.io.BufferedOutputStream.write(BufferedOutputStream.java:109)
at org.apache.hadoop.fs.FSDataOutputStream$PositionCache.write(FSDataOutputStream.java:47)
at java.io.DataOutputStream.write(DataOutputStream.java:90)
at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSOutputSummer.writeChunk(ChecksumFileSystem.java:339)
at org.apache.hadoop.fs.FSOutputSummer.writeChecksumChunk(FSOutputSummer.java:155)
at org.apache.hadoop.fs.FSOutputSummer.flushBuffer(FSOutputSummer.java:132)
at org.apache.hadoop.fs.FSOutputSummer.flushBuffer(FSOutputSummer.java:121)
at org.apache.hadoop.fs.FSOutputSummer.write1(FSOutputSummer.java:112)
at org.apache.hadoop.fs.FSOutputSummer.write(FSOutputSummer.java:86)
at org.apache.hadoop.fs.FSDataOutputStream$PositionCache.write(FSDataOutputStream.java:47)
at java.io.DataOutputStream.write(DataOutputStream.java:90)
at org.apache.hadoop.io.SequenceFile$UncompressedBytes.writeUncompressedBytes(SequenceFile.java:617)
at org.apache.hadoop.io.SequenceFile$Writer.appendRaw(SequenceFile.java:1038)
at org.apache.hadoop.io.SequenceFile$Sorter.writeFile(SequenceFile.java:2626)
at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$LocalFSMerger.run(ReduceTask.java:1564)
Caused by: java.io.IOException: No space left on device
at java.io.FileOutputStream.writeBytes(Native Method)
at java.io.FileOutputStream.write(FileOutputStream.java:260)
at org.apache.hadoop.fs.RawLocalFileSystem$LocalFSFileOutputStream.write(RawLocalFileSystem.java:197)
... 16 more

2008-08-29 23:53:14,013 WARN org.apache.hadoop.mapred.TaskTracker: Error running child
java.io.IOException: task_200808291851_0001_r_000245_0The reduce copier failed
at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:329)
at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2122)

Issue Links

• is duplicated by: HADOOP-4163 If a reducer failed at shuffling stage, the task should fail, not just logging an exception