> Which cluster are you issuing the command on? The destination cluster (CDH5)
The command I tried to run is documented above: hadoop distcp -D mapreduce.job.queuename=search -D mapreduce.job.maxtaskfailures.per.tracker=1 -pb hftp://cdh4source-cluster:50070/backups/HbaseTableCopy hdfs://cdh5dest-cluster/user/colin.williams/hbase/ which includes the -pb flag. > Can you try this command please? hadoop distcp -pb -D mapreduce.job.queuename=search -D mapreduce.job.maxtaskfailures.per.tracker=1 hftp://cdh4source-cluster:50070/backups/HbaseTableCopy /user/colin.williams/hbase/ I see no differnece in your command except for the hdfs:// path missing. I don't want to copy massive files into my local filesystem. The other suggestions you mailed me privately were irrelevant. > Uhm, are you sure you should specify port 50070 in the source? I may be > talking for nothing here, but that seems strange to me. Regards, LLoyd > Otherwise, you could try and stop the hbase service while you're doing your > copy. This would avoid having the source modified by it while you're copying > the file. It may not change anything, but trying should help understand if > that's the issue or not. On Wed, Mar 23, 2016 at 3:04 PM, Namikaze Minato <[email protected]> wrote: > Which cluster are you issuing the command on? > This command: > hadoop distcp -D mapreduce.job.queuename=search -D > mapreduce.job.maxtaskfailures.per.tracker=1 -pb > hftp://cdh4source-cluster:50070/backups/HbaseTableCopy > hdfs://cdh5dest-cluster/user/colin.williams/hbase/ > > The checksum issue is clearly linked to the "-pb" missing in that run. > For the EOF error, I don't know yet. > > Can you try this command please? > > hadoop distcp -pb -D mapreduce.job.queuename=search -D > mapreduce.job.maxtaskfailures.per.tracker=1 > hftp://cdh4source-cluster:50070/backups/HbaseTableCopy > /user/colin.williams/hbase/ > > Regards, > LLoyd > > On 22 March 2016 at 21:38, Colin Kincaid Williams <[email protected]> wrote: >> >> So far I'm on another Hadoop wild goose chase. I made another attempt >> this time with the -Ddfs.checksum.type=CRC32 option set. I had a look >> at the hdfs data node logs on both the cdh5 receiving cluster >> datanode, and the cdh4 source cluster datanode. >> >> Here are the logs from the cdh5 datanode: >> >> 2016-03-21 01:40:21,719 ERROR >> org.apache.hadoop.hdfs.server.datanode.DataNode: >> us3sm2hb027r09.comp.prod.local:50010:DataXceiver error processing >> WRITE_BLOCK operation src: /10.51.28.155:40297 dst: >> /10.51.28.172:50010 >> >> java.io.IOException: Premature EOF from inputStream >> >> at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:194) >> >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.doReadFully(PacketReceiver.java:213) >> >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.doRead(PacketReceiver.java:134) >> >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.receiveNextPacket(PacketReceiver.java:109) >> >> at >> org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receivePacket(BlockReceiver.java:468) >> >> at >> org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receiveBlock(BlockReceiver.java:772) >> >> at >> org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:724) >> >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:126) >> >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:72) >> >> at >> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:226) >> >> at java.lang.Thread.run(Thread.java:745) >> >> getNumBytes() = 218078234 >> >> getBytesOnDisk() = 218078234 >> >> getVisibleLength()= 218078234 >> >> getVolume() = /data8/dfs/current >> >> getBlockFile() = >> >> /data8/dfs/current/BP-1256332750-10.51.28.140-1408661299811/current/rbw/blk_1123289423 >> >> bytesAcked=218078234 >> >> bytesOnDisk=218078234 >> >> getNumBytes() = 218078234 >> >> getBytesOnDisk() = 218078234 >> >> getVisibleLength()= 218078234 >> >> getVolume() = /data8/dfs/current >> >> getBlockFile() = >> >> /data8/dfs/current/BP-1256332750-10.51.28.140-1408661299811/current/rbw/blk_1123289423 >> >> recoveryId=49653218 >> >> original=ReplicaBeingWritten, blk_1123289423_49566579, RBW >> >> getNumBytes() = 218078234 >> >> getBytesOnDisk() = 218078234 >> >> getVisibleLength()= 218078234 >> >> getVolume() = /data8/dfs/current >> >> getBlockFile() = >> >> /data8/dfs/current/BP-1256332750-10.51.28.140-1408661299811/current/rbw/blk_1123289423 >> >> bytesAcked=218078234 >> >> bytesOnDisk=218078234 >> >> Then I connect to the cdh4 datanode and looked at it's corresponding logs >> : >> >> 2016-03-21 01:40:20,194 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: >> /10.51.28.171:39911, dest: /10.51.28.155:50010, bytes: 6546, op: >> HDFS_WRITE, cliID: DFSClient_NONMAPREDUCE_-1383949982_1, offset: 0, >> srvID: 25cc228e-1f4f-4eae-9c70-caad9b24b95b, blockid: >> BP-1256332750-10.51.28.140-1408661299811:blk_1123360423_49637579, >> duration: 2283093 >> 2016-03-21 01:40:20,194 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: >> BP-1256332750-10.51.28.140-1408661299811:blk_1123360423_49637579, >> type=HAS_DOWNSTREAM_IN_PIPELINE terminating >> 2016-03-21 01:40:21,718 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode: Exception for >> BP-1256332750-10.51.28.140-1408661299811:blk_1123359613_49636769 >> java.io.IOException: Premature EOF from inputStream >> at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:194) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.doReadFully(PacketReceiver.java:213) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.doRead(PacketReceiver.java:134) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.receiveNextPacket(PacketReceiver.java:109) >> at >> org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receivePacket(BlockReceiver.java:468) >> at >> org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receiveBlock(BlockReceiver.java:772) >> at >> org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:724) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:126) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:72) >> at >> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:226) >> at java.lang.Thread.run(Thread.java:745) >> 2016-03-21 01:40:21,718 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode: Exception for >> BP-1256332750-10.51.28.140-1408661299811:blk_1123289423_49566579 >> java.io.IOException: Premature EOF from inputStream >> at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:194) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.doReadFully(PacketReceiver.java:213) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.doRead(PacketReceiver.java:134) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.receiveNextPacket(PacketReceiver.java:109) >> at >> org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receivePacket(BlockReceiver.java:468) >> at >> org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receiveBlock(BlockReceiver.java:772) >> at >> org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:724) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:126) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:72) >> at >> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:226) >> at java.lang.Thread.run(Thread.java:745) >> 2016-03-21 01:40:21,718 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: >> BP-1256332750-10.51.28.140-1408661299811:blk_1123359613_49636769, >> type=HAS_DOWNSTREAM_IN_PIPELINE: Thread is interrupted. >> 2016-03-21 01:40:21,718 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: >> BP-1256332750-10.51.28.140-1408661299811:blk_1123359613_49636769, >> type=HAS_DOWNSTREAM_IN_PIPELINE terminating >> 2016-03-21 01:40:21,718 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: >> BP-1256332750-10.51.28.140-1408661299811:blk_1123289423_49566579, >> type=HAS_DOWNSTREAM_IN_PIPELINE: Thread is interrupted. >> 2016-03-21 01:40:21,718 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: >> BP-1256332750-10.51.28.140-1408661299811:blk_1123289423_49566579, >> type=HAS_DOWNSTREAM_IN_PIPELINE terminating >> 2016-03-21 01:40:21,718 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode: opWriteBlock >> BP-1256332750-10.51.28.140-1408661299811:blk_1123359613_49636769 >> received exception java.io.IOException: Premature EOF from inputStream >> 2016-03-21 01:40:21,718 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode: opWriteBlock >> BP-1256332750-10.51.28.140-1408661299811:blk_1123289423_49566579 >> received exception java.io.IOException: Premature EOF from inputStream >> 2016-03-21 01:40:21,718 ERROR >> org.apache.hadoop.hdfs.server.datanode.DataNode: >> us3sm2hb010r07.comp.prod.local:50010:DataXceiver error processing >> WRITE_BLOCK operation src: /10.51.28.155:40392 dst: >> /10.51.28.155:50010 >> java.io.IOException: Premature EOF from inputStream >> at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:194) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.doReadFully(PacketReceiver.java:213) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.doRead(PacketReceiver.java:134) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.receiveNextPacket(PacketReceiver.java:109) >> at >> org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receivePacket(BlockReceiver.java:468) >> at >> org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receiveBlock(BlockReceiver.java:772) >> at >> org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:724) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:126) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:72) >> at >> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:226) >> at java.lang.Thread.run(Thread.java:745) >> 2016-03-21 01:40:21,718 ERROR >> org.apache.hadoop.hdfs.server.datanode.DataNode: >> us3sm2hb010r07.comp.prod.local:50010:DataXceiver error processing >> WRITE_BLOCK operation src: /10.51.28.155:49016 dst: >> /10.51.28.155:50010 >> java.io.IOException: Premature EOF from inputStream >> at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:194) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.doReadFully(PacketReceiver.java:213) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.doRead(PacketReceiver.java:134) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.receiveNextPacket(PacketReceiver.java:109) >> at >> org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receivePacket(BlockReceiver.java:468) >> at >> org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receiveBlock(BlockReceiver.java:772) >> at >> org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:724) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:126) >> at >> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:72) >> at >> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:226) >> at java.lang.Thread.run(Thread.java:745) >> 2016-03-21 01:40:28,272 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving >> BP-1256332750-10.51.28.140-1408661299811:blk_1123360428_49637584 src: >> /10.51.28.155:40588 dest: /10.51.28.155:50010 >> >> >> On Tue, Mar 22, 2016 at 1:11 AM, Colin Kincaid Williams <[email protected]> >> wrote: >> > Almost forgot to include the final failure: >> > >> > >> > 16/03/21 18:50:44 INFO mapreduce.Job: Job job_1453754997414_337405 >> > failed with state FAILED due to: Task failed >> > task_1453754997414_337405_m_000007 >> > Job failed as tasks failed. failedMaps:1 failedReduces:0 >> > >> > 16/03/21 18:50:44 INFO mapreduce.Job: Counters: 9 >> > Job Counters >> > Failed map tasks=22 >> > Killed map tasks=26 >> > Launched map tasks=48 >> > Other local map tasks=48 >> > Total time spent by all maps in occupied slots >> > (ms)=182578858 >> > Total time spent by all reduces in occupied slots (ms)=0 >> > Total time spent by all map tasks (ms)=182578858 >> > Total vcore-seconds taken by all map tasks=182578858 >> > Total megabyte-seconds taken by all map >> > tasks=186960750592 >> > 16/03/21 18:50:44 ERROR tools.DistCp: Exception encountered >> > java.io.IOException: DistCp failure: Job job_1453754997414_337405 has >> > failed: Task failed task_1453754997414_337405_m_000007 >> > Job failed as tasks failed. failedMaps:1 failedReduces:0 >> > >> > at org.apache.hadoop.tools.DistCp.execute(DistCp.java:175) >> > at org.apache.hadoop.tools.DistCp.run(DistCp.java:121) >> > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) >> > at org.apache.hadoop.tools.DistCp.main(DistCp.java:401) >> > >> > >> > On Tue, Mar 22, 2016 at 12:58 AM, Colin Kincaid Williams >> > <[email protected]> wrote: >> >> I'm trying to copy data between two clusters with >> >> >> >> hadoop version >> >> Hadoop 2.0.0-cdh4.1.3 >> >> Subversion >> >> file:///data/1/jenkins/workspace/generic-package-rhel64-6-0/topdir/BUILD/hadoop-2.0.0-cdh4.1.3/src/hadoop-common-project/hadoop-common >> >> -r dbc7a60f9a798ef63afb7f5b723dc9c02d5321e1 >> >> Compiled by jenkins on Sat Jan 26 16:46:14 PST 2013 >> >> From source with checksum ad1ed6a3ede2e0e9c39b052bbc76c189 >> >> >> >> and >> >> >> >> hadoop version >> >> Hadoop 2.5.0-cdh5.3.0 >> >> Subversion http://github.com/cloudera/hadoop -r >> >> f19097cda2536da1df41ff6713556c8f7284174d >> >> Compiled by jenkins on 2014-12-17T03:05Z >> >> Compiled with protoc 2.5.0 >> >> From source with checksum 9c4267e6915cf5bbd4c6e08be54d54e0 >> >> This command was run using >> >> /usr/lib/hadoop/hadoop-common-2.5.0-cdh5.3.0.jar >> >> >> >> The command I'm using to do so is: >> >> >> >> hadoop distcp -D mapreduce.job.queuename=search -D >> >> mapreduce.job.maxtaskfailures.per.tracker=1 -pb >> >> hftp://cdh4source-cluster:50070/backups/HbaseTableCopy >> >> hdfs://cdh5dest-cluster/user/colin.williams/hbase/ >> >> >> >> I've also tried it without the -pb and -D >> >> mapreduce.job.maxtaskfailures.per.tracker=1 options. All my attempts >> >> fail, and the command prints out various errors during the attempts: >> >> >> >> Error: java.io.IOException: File copy failed: >> >> hftp://cdh4source-cluster:50070/backups/HbaseTableCopy/part-m-00018 >> >> --> >> >> hdfs://cdh5dest-cluster/user/colin.williams/hbase/HbaseTableCopy/part-m-00018 >> >> at >> >> org.apache.hadoop.tools.mapred.CopyMapper.copyFileWithRetry(CopyMapper.java:284) >> >> at >> >> org.apache.hadoop.tools.mapred.CopyMapper.map(CopyMapper.java:252) >> >> at >> >> org.apache.hadoop.tools.mapred.CopyMapper.map(CopyMapper.java:50) >> >> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145) >> >> at >> >> org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:784) >> >> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) >> >> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168) >> >> at java.security.AccessController.doPrivileged(Native Method) >> >> at javax.security.auth.Subject.doAs(Subject.java:415) >> >> at >> >> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1642) >> >> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:163) >> >> Caused by: java.io.IOException: Couldn't run retriable-command: >> >> Copying >> >> hftp://cdh4source-cluster:50070/backups/HbaseTableCopy/part-m-00018 >> >> to >> >> hdfs://cdh5dest-cluster/user/colin.williams/hbase/HbaseTableCopy/part-m-00018 >> >> at >> >> org.apache.hadoop.tools.util.RetriableCommand.execute(RetriableCommand.java:101) >> >> at >> >> org.apache.hadoop.tools.mapred.CopyMapper.copyFileWithRetry(CopyMapper.java:280) >> >> ... 10 more >> >> Caused by: java.io.IOException: Check-sum mismatch between >> >> hftp://cdh4source-cluster:50070/backups/HbaseTableCopy/part-m-00018 >> >> and >> >> hdfs://cdh5dest-cluster/user/colin.williams/hbase/.distcp.tmp.attempt_1453754997414_337405_m_000007_0. >> >> at >> >> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.compareCheckSums(RetriableFileCopyCommand.java:211) >> >> at >> >> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doCopy(RetriableFileCopyCommand.java:131) >> >> at >> >> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doExecute(RetriableFileCopyCommand.java:100) >> >> at >> >> org.apache.hadoop.tools.util.RetriableCommand.execute(RetriableCommand.java:87) >> >> ... 11 more >> >> >> >> OR >> >> >> >> 16/03/21 17:30:47 INFO mapreduce.Job: Task Id : >> >> attempt_1453754997414_337405_m_000001_0, Status : FAILED >> >> Error: java.io.IOException: File copy failed: >> >> hftp://cdh4source-cluster:50070/backups/HbaseTableCopy/part-m-00004 >> >> --> >> >> hdfs://cdh5dest-cluster/user/colin.williams/hbase/HbaseTableCopy/part-m-00004 >> >> at >> >> org.apache.hadoop.tools.mapred.CopyMapper.copyFileWithRetry(CopyMapper.java:284) >> >> at >> >> org.apache.hadoop.tools.mapred.CopyMapper.map(CopyMapper.java:252) >> >> at >> >> org.apache.hadoop.tools.mapred.CopyMapper.map(CopyMapper.java:50) >> >> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145) >> >> at >> >> org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:784) >> >> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) >> >> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168) >> >> at java.security.AccessController.doPrivileged(Native Method) >> >> at javax.security.auth.Subject.doAs(Subject.java:415) >> >> at >> >> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1642) >> >> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:163) >> >> Caused by: java.io.IOException: Couldn't run retriable-command: >> >> Copying >> >> hftp://cdh4source-cluster:50070/backups/HbaseTableCopy/part-m-00004 >> >> to >> >> hdfs://cdh5dest-cluster/user/colin.williams/hbase/HbaseTableCopy/part-m-00004 >> >> at >> >> org.apache.hadoop.tools.util.RetriableCommand.execute(RetriableCommand.java:101) >> >> at >> >> org.apache.hadoop.tools.mapred.CopyMapper.copyFileWithRetry(CopyMapper.java:280) >> >> ... 10 more >> >> Caused by: >> >> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand$CopyReadException: >> >> java.io.IOException: Got EOF but currentPos = 916783104 < filelength = >> >> 21615406422 >> >> at >> >> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.readBytes(RetriableFileCopyCommand.java:289) >> >> at >> >> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.copyBytes(RetriableFileCopyCommand.java:257) >> >> at >> >> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.copyToFile(RetriableFileCopyCommand.java:184) >> >> at >> >> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doCopy(RetriableFileCopyCommand.java:124) >> >> at >> >> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doExecute(RetriableFileCopyCommand.java:100) >> >> at >> >> org.apache.hadoop.tools.util.RetriableCommand.execute(RetriableCommand.java:87) >> >> ... 11 more >> >> Caused by: java.io.IOException: Got EOF but currentPos = 916783104 < >> >> filelength = 21615406422 >> >> at >> >> org.apache.hadoop.hdfs.web.ByteRangeInputStream.update(ByteRangeInputStream.java:173) >> >> at >> >> org.apache.hadoop.hdfs.web.ByteRangeInputStream.read(ByteRangeInputStream.java:188) >> >> at java.io.DataInputStream.read(DataInputStream.java:100) >> >> at >> >> org.apache.hadoop.tools.util.ThrottledInputStream.read(ThrottledInputStream.java:80) >> >> at >> >> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.readBytes(RetriableFileCopyCommand.java:284) >> >> ... 16 more >> >> >> >> >> >> Then I see a checksum issue and the EOF issue. I've also run hadoop >> >> fsck on the source files, and it doesn't report any errors. I see many >> >> Jira issues and questions regarding DistCP. Can I get some help with >> >> this? >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
