In the sbin directory under the hadoop installation directory, respectively modify /start-dfs.sh /stop-dfs.sh /start-yarn.sh /stop-yarn.shThe content of the modified file should be added in the file #!/usr/bin/env bash
/start-dfs.sh /stop-dfs.sh Modified content (HADOOP_SECURE_DN_USER is replaced by HADOOP_SECURE_DN_USER.) above hadoop 3.2 version.)
HDFS_DATANODE_USER=root
HADOOP_SECURE_DN_USER=hdfs
HDFS_NAMENODE_USER=root
HDFS_SECONDARYNAMENODE_USER=root
/start-yarn.sh /stop-yarn.sh Modify content
YARN_RESOURCEMANAGER_USER=root
HADOOP_SECURE_DN_USER=yarn
YARN_NODEMANAGER_USER=root
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