错误现象解决方案
错误现象解决方案INFO retry.RetryInvocationHandler: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category READ is not supported in state standby. Visit https://s.apache.org/sbnn-error
停止集群服务, 重新启动集群服务
myhadoopHa.sh stop
查看集群
jpsall -l
查看节点情况
hdfs dfsadmin -report
