1. 先看看官网伪分布式关于yarn的配置信息:
官网地址:http://hadoop.apache.org/docs/r2.8.4/hadoop-project-dist/hadoop-common/SingleCluster.html
2. yarn 的配置操作
yarn的两个进程: ResourceManager (资源管理) NodeManager (节点管理) 需要配置 etc/hadoop/mapred-site.xmlyarn-site.xml两个文件 查看当前路径: 修改配置etc/hadoop/mapred-site.xml [hadoop@hadoop002 hadoop]$ vi mapred-site.xml 启动yarn服务: starting yarn daemons starting resourcemanager, logging to /opt/software/hadoop-2.8.1/logs/yarn-hadoop-resourcemanager-hadoop002.out hadoop002: starting nodemanager, logging to /opt/software/hadoop-2.8.1/logs/yarn-hadoop-nodemanager-hadoop002.out 浏览器访问地址:http://hadoop002:8088/ [object Object] 关闭yarn服务:
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