初学hadoop,这里简单记录下 hadoop官网安装步骤,单机版
https://hadoop.apache.org/docs/r3.1.1/hadoop-project-dist/hadoop-common/SingleCluster.html#Configuration
根据文档步骤来,中间有一个小问题,报错如下

原因没有配置用户变量
都要配置下
[root@master hadoop-3.1.1]# vim sbin/start-dfs.sh
[root@master hadoop-3.1.1]# vim sbin/stop-dfs.sh
HDFS_DATANODE_USER=root
HADOOP_SECURE_DN_USER=hdfs
HDFS_NAMENODE_USER=root
HDFS_SECONDARYNAMENODE_USER=root
[root@master hadoop-3.1.1]# vim sbin/start-yarn.sh
[root@master hadoop-3.1.1]# vim sbin/stop-yarn.sh
YARN_RESOURCEMANAGER_USER=root
HADOOP_SECURE_DN_USER=yarn
YARN_NODEMANAGER_USER=root
网友评论