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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-690) TestAppend2#testComplexAppend failed on "Too many open files"
Date Fri, 09 Oct 2009 21:15:31 GMT
TestAppend2#testComplexAppend failed on "Too many open files"
-------------------------------------------------------------

                 Key: HDFS-690
                 URL: https://issues.apache.org/jira/browse/HDFS-690
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: test
    Affects Versions: 0.21.0
            Reporter: Hairong Kuang
            Priority: Blocker
             Fix For: 0.21.0


the append write failed on "Too many open files":
Some bytes were failed to append to a file on the following error:
java.io.IOException: Cannot run program "stat": java.io.IOException: error=24, Too many open
files
	at java.lang.ProcessBuilder.start(ProcessBuilder.java:459)
	at java.lang.Runtime.exec(Runtime.java:593)
	at java.lang.Runtime.exec(Runtime.java:466)
	at org.apache.hadoop.fs.FileUtil$HardLink.getLinkCount(FileUtil.java:644)
	at org.apache.hadoop.hdfs.server.datanode.ReplicaInfo.unlinkBlock(ReplicaInfo.java:205)
	at org.apache.hadoop.hdfs.server.datanode.FSDataset.append(FSDataset.java:1075)
	at org.apache.hadoop.hdfs.server.datanode.FSDataset.append(FSDataset.java:1058)
	at org.apache.hadoop.hdfs.server.datanode.BlockReceiver.<init>(BlockReceiver.java:110)
	at org.apache.hadoop.hdfs.server.datanode.DataXceiver.opWriteBlock(DataXceiver.java:258)
	at org.apache.hadoop.hdfs.protocol.DataTransferProtocol$Receiver.opWriteBlock(DataTransferProtocol.java:382)
	at org.apache.hadoop.hdfs.protocol.DataTransferProtocol$Receiver.processOp(DataTransferProtocol.java:323)
	at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:111)

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