ruiliang created HDFS-16788:
-------------------------------
Summary: 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
Reporter: ruiliang
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}
//
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-dev-unsubscr...@hadoop.apache.org
For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org
