./start
ERROR: Cannot set priority of datanode process xxxx 错误现象解决方案 错误现象[root@cpucode100 sbin]# ./start-dfs.sh Starting namenodes on [cpucode100] Last login: Fri Nov 12 21:00:56 CST 2021 on pts/0 Starting datanodes Last login: Fri Nov 12 21:07:43 CST 2021 on pts/0 cpucode100: datanode is running as process 480077. Stop it first. cpucode102: ERROR: Cannot set priority of datanode process 151364 cpucode101: ERROR: Cannot set priority of datanode process 23100 Starting secondary namenodes [cpucode101] Last login: Fri Nov 12 21:07:45 CST 2021 on pts/0 cpucode101: ERROR: Cannot set priority of secondarynamenode process 23170
解决方案修改
vim hdfs内容 :
把 HADOOP_SHELL_EXECNAME=“hdfs” 改为
HADOOP_SHELL_EXECNAME="root" xsync hdfs xsync /opt/module/hadoop-3.1.3/etc/hadoop/./start-dfs.sh 启动错误 ERROR: Cannot set priority of datanode process xxxxx