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/
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./start-dfs.sh 启动错误 ERROR: Cannot set priority of datanode process xxxxx
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