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HDFS >> mail # user >> Who will interrupt PacketResonpder Thread ?


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Who will interrupt PacketResonpder Thread ?
Hi all,

In my data node logs, it says PacketResponder is interrupt,and it cuase my
data node to re-register to namenode.
The following is the log:  (Anyone has any clues ? Thanks )

868_1195229 java.io.EOFException: while trying to read 65557 bytes
2010-07-05 00:00:36,719 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder
blk_-6478248321374328051_1195260 0 : Thread is interrupted.
2010-07-05 00:00:36,720 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder 0 for block
blk_-6478248321374328051_1195260 terminating
2010-07-05 00:00:36,720 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: Exception in receiveBlock
for block blk_-4909137647091005195_1195309 java.io.EOFException: while
trying to read 65557 bytes
2010-07-05 00:00:36,720 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder
blk_8591229225807253868_1195229 0 : Thread is interrupted.
2010-07-05 00:00:36,720 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder 0 for block
blk_8591229225807253868_1195229 terminating
2010-07-05 00:00:36,720 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder
blk_-4909137647091005195_1195309 1 : Thread is interrupted.
2010-07-05 00:00:36,720 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder 1 for block
blk_-4909137647091005195_1195309 terminating
2010-07-05 00:00:36,721 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: writeBlock
blk_-6478248321374328051_1195260 received exception java.io.EOFException:
while trying to read 65557 bytes
2010-07-05 00:00:36,721 ERROR
org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration(
10.1.8.143:50010, storageID=DS-1665371331-127.0.0.1-50010-1278047732176,
infoPort=50075, ipcPort=50020):DataXceiver
java.io.EOFException: while trying to read 65557 bytes
        at
org.apache.hadoop.hdfs.server.datanode.BlockReceiver.readToBuf(BlockReceiver.java:309)
        at
org.apache.hadoop.hdfs.server.datanode.BlockReceiver.readNextPacket(BlockReceiver.java:353)
        at
org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receivePacket(BlockReceiver.java:409)
        at
org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receiveBlock(BlockReceiver.java:617)
        at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.opWriteBlock(DataXceiver.java:352)
        at
org.apache.hadoop.hdfs.protocol.DataTransferProtocol$Receiver.opWriteBlock(DataTransferProtocol.java:390)
        at
org.apache.hadoop.hdfs.protocol.DataTransferProtocol$Receiver.processOp(DataTransferProtocol.java:331)
        at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:111)
--
Best Regards

Jeff Zhang
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB