ERROR: Attempting to operate on yarn resourcemanager as root
ERROR: but there is no YARN_RESOURCEMANAGER_USER defined. Aborting operation.
Starting nodemanagers
ERROR: Attempting to operate on yarn nodemanager as root
ERROR: but there is no YARN_NODEMANAGER_USER defined. Aborting operation.
ERROR: Attempting to operate on hdfs namenode as root
ERROR: but there is no HDFS_NAMENODE_USER defined. Aborting operation.
Starting datanodes
ERROR: Attempting to operate on hdfs datanode as root
ERROR: but there is no HDFS_DATANODE_USER defined. Aborting operation.
将start-dfs.sh，stop-dfs.sh两个文件顶部添加以下参数
#!/usr/bin/env bash HDFS_DATANODE_USER=root HADOOP_SECURE_DN_USER=hdfs HDFS_NAMENODE_USER=root HDFS_SECONDARYNAMENODE_USER=root
还有，start-yarn.sh，stop-yarn.sh顶部也需添加以下：
#!/usr/bin/env bash YARN_RESOURCEMANAGER_USER=root HADOOP_SECURE_DN_USER=yarn YARN_NODEMANAGER_USER=root
./start-dfs.sh
./start-yarn.sh
jps查看
netstat -aptn确认端口
http://ip:8088
Namenode 端口:
9871 dfs.namenode.https-address The namenode secure http server address and port.
9870 dfs.namenode.http-address The address and the base port where the dfs namenode web ui will listen on.
9820 fs.defaultFS 指定HDFS运行时nameNode地址
Secondary NN 端口:
9869 dfs.namenode.secondary.https-address The secondary namenode HTTPS server address and port
9868 dfs.namenode.secondary.http-address The secondary namenode HTTPS server address and port
Datanode 端口:
9867 dfs.datanode.ipc.address The datanode ipc server address and port.
9866 dfs.datanode.address The datanode server address and port for data transfer.
9865 dfs.datanode.https.address The datanode secure http server address and port
9864 dfs.datanode.http.address The datanode http server address and por
Yarn 端口
8088 yarn.resourcemanager.webapp.address http服务端口
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