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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1372) DFS Clients should start using the org.apache.hadoop.fs.LocalDirAllocator
Date Tue, 15 May 2007 19:07:16 GMT
DFS Clients should start using the org.apache.hadoop.fs.LocalDirAllocator
-------------------------------------------------------------------------

                 Key: HADOOP-1372
                 URL: https://issues.apache.org/jira/browse/HADOOP-1372
             Project: Hadoop
          Issue Type: Bug
          Components: dfs
            Reporter: Devaraj Das
             Fix For: 0.14.0


I encountered this exception during one of the randomwriter runs. I think this situation can
be improved by using org.apache.hadoop.fs.LocalDirAllocator that has been written to handle
these kind of problems. I set the fix version as 0.14 but wonder whether it makes sense to
have it in 0.13 itself (since the amount of code change would not be much).

java.io.FileNotFoundException: /export/crawlspace4/kryptonite/ddas/dfs/data/tmp/client-1299146109450372217
(Read-only file system)
	at java.io.FileOutputStream.open(Native Method)
	at java.io.FileOutputStream.(FileOutputStream.java:179)
	at java.io.FileOutputStream.(FileOutputStream.java:131)
	at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.endBlock(DFSClient.java:1356)
	at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.flush(DFSClient.java:1273)
	at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.write(DFSClient.java:1255)
	at org.apache.hadoop.fs.FSDataOutputStream$PositionCache.write(FSDataOutputStream.java:38)
	at java.io.BufferedOutputStream.write(BufferedOutputStream.java:105)
	at java.io.DataOutputStream.write(DataOutputStream.java:90)
	at org.apache.hadoop.fs.ChecksumFileSystem$FSOutputSummer.write(ChecksumFileSystem.java:402)
	at org.apache.hadoop.fs.FSDataOutputStream$PositionCache.write(FSDataOutputStream.java:38)
	at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
	at java.io.BufferedOutputStream.write(BufferedOutputStream.java:109)
	at java.io.DataOutputStream.write(DataOutputStream.java:90)
	at org.apache.hadoop.io.SequenceFile$Writer.append(SequenceFile.java:775)
	at org.apache.hadoop.examples.RandomWriter$Map.map(RandomWriter.java:152)
	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:48)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:187)
	at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1709)

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