[ https://issues.apache.org/jira/browse/HDFS-16788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ayush Saxena resolved HDFS-16788. --------------------------------- Resolution: Not A Bug Reach out to the user mailing list, Jira is for tracking bugs not for user queries https://hadoop.apache.org/mailing_lists.html > could only be written to 2 of the 3 required nodes for RS-3-2-1024k. There > are 50 datanode(s) running and no node(s) are excluded in this operation > --------------------------------------------------------------------------------------------------------------------------------------------------- > > Key: HDFS-16788 > URL: https://issues.apache.org/jira/browse/HDFS-16788 > Project: Hadoop HDFS > Issue Type: Improvement > Components: hdfs > Affects Versions: 3.1.0 > Reporter: ruiliang > Priority: Major > Attachments: image-2022-09-30-14-14-29-963.png, > image-2022-09-30-14-14-44-164.png > > > > !image-2022-09-30-14-14-44-164.png! > ||Configured Capacity:|3.02 PB| > ||Configured Remote Capacity:|0 B| > ||DFS Used:|1.39 PB (45.96%)| > ||Non DFS Used:|0 B| > ||DFS Remaining:|1.62 PB (53.67%)| > ||Block Pool Used:|1.39 PB (45.96%)| > ||DataNodes usages% (Min/Median/Max/stdDev):|8.20% / 32.44% / 98.85% / 37.30%| > ||[Live > Nodes|http://fs-hiido-yycluster06-yynn1.hiido.host.yydevops.com:50070/dfshealth.html#tab-datanode]|50 > (Decommissioned: 0, In Maintenance: 0) > | > I've been working hard in the background to balance the data, > but before I discp when > {code:java} > hdfs balancer -Ddfs.datanode.balance.max.concurrent.moves=300 > -Ddfs.balancer.moverThreads=1200 > -Ddfs.datanode.balance.bandwidthPerSec=1073741824 -fs hdfs://yycluster06 > -threshold 50 > {code} > {code:java} > hadoop distcp -Dmapreduce.task.timeout=600000 -skipcrccheck -update hdfs://01 > hdfs://02xx > syslog > ... > 2022-09-30 14:22:50,724 WARN [main] org.apache.hadoop.hdfs.DFSOutputStream: > Cannot allocate parity block(index=4, policy=RS-3-2-1024k). Not enough > datanodes? Exclude nodes=[] 2022-09-30 14:22:58,389 INFO [main] > org.apache.hadoop.hdfs.DFSOutputStream: replacing previously failed streamer > #3: failed, blk_-9223372036808890525_3095130 2022-09-30 14:22:58,389 INFO > [main] org.apache.hadoop.hdfs.DFSOutputStream: replacing previously failed > streamer #4: failed, block==null 2022-09-30 14:23:21,547 WARN [main] > org.apache.hadoop.hdfs.DFSOutputStream: Cannot allocate parity block(index=4, > policy=RS-3-2-1024k). Not enough datanodes? Exclude nodes=[] 2022-09-30 > 14:23:29,319 INFO [main] org.apache.hadoop.hdfs.DFSOutputStream: replacing > previously failed streamer #4: failed, blk_-9223372036808889612_3095200 > 2022-09-30 14:23:36,950 WARN [main] org.apache.hadoop.hdfs.DFSOutputStream: > Cannot allocate parity block(index=4, policy=RS-3-2-1024k). Not enough > datanodes? Exclude nodes=[] 2022-09-30 14:23:44,822 INFO [main] > org.apache.hadoop.hdfs.DFSOutputStream: replacing previously failed streamer > #4: failed, blk_-9223372036808888572_3095307 2022-09-30 14:23:44,837 WARN > [main] org.apache.hadoop.hdfs.DFSOutputStream: Cannot allocate parity > block(index=4, policy=RS-3-2-1024k). Not enough datanodes? Exclude nodes=[] > 2022-09-30 14:23:52,306 INFO [main] org.apache.hadoop.hdfs.DFSOutputStream: > replacing previously failed streamer #4: failed, block==null 2022-09-30 > 14:23:52,321 WARN [main] org.apache.hadoop.hdfs.DFSOutputStream: Cannot > allocate parity block(index=4, policy=RS-3-2-1024k). Not enough datanodes? > Exclude nodes=[] 2022-09-30 14:23:59,822 INFO [main] > org.apache.hadoop.hdfs.DFSOutputStream: replacing previously failed streamer > #4: failed, block==null 2022-09-30 14:23:59,836 WARN [main] > org.apache.hadoop.hdfs.DFSOutputStream: Cannot allocate parity block(index=3, > policy=RS-3-2-1024k). Not enough datanodes? Exclude nodes=[] 2022-09-30 > 14:23:59,836 WARN [main] org.apache.hadoop.hdfs.DFSOutputStream: Cannot > allocate parity block(index=4, policy=RS-3-2-1024k). Not enough datanodes? > Exclude nodes=[] 2022-09-30 14:24:07,302 INFO [main] > org.apache.hadoop.hdfs.DFSOutputStream: replacing previously failed streamer > #3: failed, blk_-9223372036808887853_3095387 2022-09-30 14:24:07,303 INFO > [main] org.apache.hadoop.hdfs.DFSOutputStream: replacing previously failed > streamer #4: failed, block==null 2022-09-30 14:24:07,317 WARN [main] > org.apache.hadoop.hdfs.DFSOutputStream: Cannot allocate parity block(index=4, > policy=RS-3-2-1024k). Not enough datanodes? Exclude nodes=[] 2022-09-30 > 14:24:15,383 INFO [main] org.apache.hadoop.hdfs.DFSOutputStream: replacing > previously failed streamer #4: failed, block==null 2022-09-30 14:24:15,395 > WARN [main] org.apache.hadoop.hdfs.DFSOutputStream: Cannot allocate parity > block(index=4, policy=RS-3-2-1024k). Not enough datanodes? Exclude nodes=[] > 2022-09-30 14:24:22,795 INFO [main] org.apache.hadoop.hdfs.DFSOutputStream: > replacing previously failed streamer #4: failed, block==null 2022-09-30 > 14:24:22,812 WARN [main] org.apache.hadoop.hdfs.DFSOutputStream: Cannot > allocate parity block(index=3, policy=RS-3-2-1024k). Not enough datanodes? > Exclude nodes=[] 2022-09-30 14:24:22,812 WARN [main] > org.apache.hadoop.hdfs.DFSOutputStream: Cannot allocate parity block(index=4, > policy=RS-3-2-1024k). Not enough datanodes? Exclude nodes=[] 2022-09-30 > 14:24:31,352 INFO [main] org.apache.hadoop.hdfs.DFSOutputStream: replacing > previously failed streamer #3: failed, blk_-9223372036808887133_3095476 > 2022-09-30 14:24:31,352 INFO [main] org.apache.hadoop.hdfs.DFSOutputStream: > replacing previously failed streamer #4: failed, block==null > discp out > ..... > Error: java.io.IOException: File copy failed: > .... > Caused by: org.apache.hadoop.ipc.RemoteException(java.io.IOException): File > /hive_warehouse/warehouse_old_snapshots/credit/.distcp.tmp.attempt_1663830633337_314191_m_000008_2 > could only be written to 2 of the 3 required nodes for RS-3-2-1024k. There > are 50 datanode(s) running and no node(s) are excluded in this operation. > at > org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget4NewBlock(BlockManager.java:2128) > at > org.apache.hadoop.hdfs.server.namenode.FSDirWriteFileOp.chooseTargetForNewBlock(FSDirWriteFileOp.java:286) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2706) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:875) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:561) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:524) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1025) > at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:876) > at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:822) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:422) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2682) > at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1497) > at org.apache.hadoop.ipc.Client.call(Client.java:1443) > at org.apache.hadoop.ipc.Client.call(Client.java:1353) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:228) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116) > at com.sun.proxy.$Proxy13.addBlock(Unknown Source) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:510) > at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422) > at > org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165) > at > org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157) > at > org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359) > at com.sun.proxy.$Proxy14.addBlock(Unknown Source) > at > org.apache.hadoop.hdfs.DFSOutputStream.addBlock(DFSOutputStream.java:1078) > at > org.apache.hadoop.hdfs.DFSStripedOutputStream.allocateNewBlock(DFSStripedOutputStream.java:479) > at > org.apache.hadoop.hdfs.DFSStripedOutputStream.writeChunk(DFSStripedOutputStream.java:525) > at > org.apache.hadoop.fs.FSOutputSummer.writeChecksumChunks(FSOutputSummer.java:217) > at org.apache.hadoop.fs.FSOutputSummer.write1(FSOutputSummer.java:125) > at org.apache.hadoop.fs.FSOutputSummer.write(FSOutputSummer.java:111) > at > org.apache.hadoop.fs.FSDataOutputStream$PositionCache.write(FSDataOutputStream.java:57) > at java.io.DataOutputStream.write(DataOutputStream.java:107) > at java.io.BufferedOutputStream.write(BufferedOutputStream.java:122) > at > org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.copyBytes(RetriableFileCopyCommand.java:290) > at > org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.copyToFile(RetriableFileCopyCommand.java:193) > at > org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doCopy(RetriableFileCopyCommand.java:123) > at > org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doExecute(RetriableFileCopyCommand.java:99) > at > org.apache.hadoop.tools.util.RetriableCommand.execute(RetriableCommand.java:87) > {code} > > The data is written to a full disk Datanode. Is there any way to avoid not > writing data to a full disk Datanode during discp? > Balancer data is very slow, which affects the progress of the work -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org