what is your rack topology ? On Tue, Jun 12, 2018 at 9:26 PM Sowjanya Kakarala <[email protected]> wrote:
> Hi Guys, > > > I have 4datanodes and one master node EMR cluster with 120GB data storage > left. I have been running sqoop jobs which loads data to hive table. After > some jobs ran successfully I suddenly see these errors all over the name > node logs and datanodes logs. > > I have tried changing so many configurations as suggeted in stackoverflow > and hortonworks sites but couldnt find a way for fixing it. > > > Here is the error: > > 2018-06-12 15:32:35,933 WARN [main] org.apache.hadoop.mapred.YarnChild: > Exception running child : > org.apache.hadoop.ipc.RemoteException(java.io.IOException): File > /user/hive/warehouse/monolith.db/tblname/_SCRATCH0.28417629602676764/time_stamp=2018-04-02/_temporary/1/_temporary/attempt_1528318855054_3528_m_000000_1/part-m-00000 > could only be replicated to 0 nodes instead of minReplication (=1). There > are 4 datanode(s) running and no node(s) are excluded in this operation. > > at > org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget4NewBlock(BlockManager.java:1735) > > at > org.apache.hadoop.hdfs.server.namenode.FSDirWriteFileOp.chooseTargetForNewBlock(FSDirWriteFileOp.java:265) > > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2561) > > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:829) > > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:510) > > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) > > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:447) > > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:989) > > at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:847) > > at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:790) > > 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:1836) > > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2486) > > > at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1489) > > at org.apache.hadoop.ipc.Client.call(Client.java:1435) > > at org.apache.hadoop.ipc.Client.call(Client.java:1345) > > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:227) > > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116) > > at com.sun.proxy.$Proxy14.addBlock(Unknown Source) > > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:444) > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > > 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:409) > > at > org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:163) > > at > org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:155) > > at > org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95) > > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:346) > > at com.sun.proxy.$Proxy15.addBlock(Unknown Source) > > at > org.apache.hadoop.hdfs.DataStreamer.locateFollowingBlock(DataStreamer.java:1838) > > at > org.apache.hadoop.hdfs.DataStreamer.nextBlockOutputStream(DataStreamer.java:1638) > > at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:704) > > > References I already followed: > > > https://community.hortonworks.com/articles/16144/write-or-append-failures-in-very-small-clusters-un.html > > > https://stackoverflow.com/questions/14288453/writing-to-hdfs-from-java-getting-could-only-be-replicated-to-0-nodes-instead > > https://wiki.apache.org/hadoop/CouldOnlyBeReplicatedTo > > > https://stackoverflow.com/questions/36015864/hadoop-be-replicated-to-0-nodes-instead-of-minreplication-1-there-are-1/36310025 > > > Any help is appreciated. > > > Thanks > > Sowjanya >
