Any suggestion ? I am stuck.
Regards, Ajay Srivastava On 19-Jul-2013, at 5:54 PM, Ajay Srivastava wrote: > Hi, > > I am seeing many such errors on a datanode - > > 2013-07-18 22:10:49,473 ERROR > org.apache.hadoop.hdfs.server.datanode.DataNode: > DatanodeRegistration(10.254.0.40:50010, > storageID=DS-595314104-10.254.0.40-50010-1374154266946, infoPort=50075, > ipcPort=50020):DataXceiver > java.io.IOException: Unexpected problem in creating temporary file for > blk_-395633752903233591_3721. File > /data/hadoop-admin/tmp/blk_-395633752903233591 should not be present, but is. > at > org.apache.hadoop.hdfs.server.datanode.FSDataset$FSVolume.createTmpFile(FSDataset.java:429) > at > org.apache.hadoop.hdfs.server.datanode.FSDataset$FSVolume.createTmpFile(FSDataset.java:407) > at > org.apache.hadoop.hdfs.server.datanode.FSDataset.createTmpFile(FSDataset.java:1242) > at > org.apache.hadoop.hdfs.server.datanode.FSDataset.writeToBlock(FSDataset.java:1131) > at > org.apache.hadoop.hdfs.server.datanode.BlockReceiver.<init>(BlockReceiver.java:99) > at > org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:305) > at > org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:113) > at java.lang.Thread.run(Unknown Source) > > What could be the reason behind it ? It is causing system to slow down. > Before these errors, there were few exceptions with "connection reset by > peer" which I guess are harmless. > > > Regards, > Ajay Srivastava
