集群启动/停止方式总结

各个服务组件逐一启动/停止

启动/停止 HDFS

hadoop-daemon.sh start namenode / datanode / secondarynamenode

hadoop-daemon.sh stop namenode / datanode / secondarynamenode

启动/停止 YARN

yarn-daemon.sh start / stop resourcemanager / nodemanager

yarn-daemon.sh stop resourcemanager / nodemanager

各个模块分开启动/停止（配置ssh是前提）常用

整体启动/停止 HDFS

start-dfs.sh

stop-dfs.sh

整体启动/停止 YARN

start-yarn.sh

stop-yarn.sh