首页 磁盘空间不足导致hdfs进入安全模式
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磁盘空间不足导致hdfs进入安全模式

问题记录

1
CatalogException: Failed to truncate table: default.temp_test. Table may be in a partially truncated state. CAUSED BY: SafeModeException: Cannot delete /user/hive/warehouse/temp_test/2d4685eff1d3fef1-b9e90e6f00000001_2075881623_data.0.. Name node is in safe mode. Resources are low on NN. Please add or free up more resourcesthen turn off safe mode manually. NOTE: If you turn off safe mode before adding resources, the NN will immediately return to safe mode. Use "hdfs dfsadmin -safemode leave" to turn safe mode off. NamenodeHostName:node1.dkha.cn at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.newSafemodeException(FSNamesystem.java:1448) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkNameNodeSafeMode(FSNamesystem.java:1435) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete(FSNamesystem.java:2961) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.delete(NameNodeRpcServer.java:1092) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.delete(ClientNamenodeProtocolServerSideTranslatorPB.java:681) at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:870) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:816) 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:1875) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2680) CAUSED BY: RemoteException: Cannot delete /user/hive/warehouse/temp_test/2d4685eff1d3fef1-b9e90e6f00000001_2075881623_data.0.. Name node is in safe mode. Resources are low on NN. Please add or free up more resourcesthen turn off safe mode manually. NOTE: If you turn off safe mode before adding resources, the NN will immediately return to safe mode. Use "hdfs dfsadmin -safemode leave" to turn safe mode off. NamenodeHostName:node1.dkha.cn at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.newSafemodeException(FSNamesystem.java:1448) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkNameNodeSafeMode(FSNamesystem.java:1435) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete(FSNamesystem.java:2961) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.delete(NameNodeRpcServer.java:1092) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.delete(ClientNamenodeProtocolServerSideTranslatorPB.java:681) at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:870) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:816) 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:1875) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2680)

impala 上删除表数据时报错,hdfs进入safe mode 只能进行读操作,’resources are low on NN’ 发现是磁盘空间不足导致hdfs进入safe mode

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