分别启动守护进程(286) 分别启动：namenoe datanode secondaryanmenode $> hadoop-daemons.sh --config ~/soft/hadoop/etc/hadoop start namenode 或 $> hadoop-daemons.sh start namenode
$> hadoop-daemons.sh --config ~/soft/hadoop/etc/hadoop start datanode 或 $> hadoop-daemons.sh start datanode
$> hadoop-daemons.sh --config ~/soft/hadoop/etc/hadoop start secondarynamenode 或 $> hadoop-daemons.sh start secondarynamenode 查看sbin/start-yarn.sh $>yarn-daemon.sh start resourcemanager
$>yarn-daemons.sh start nodemanager 注：resourcemanager管理namenode nodemanager管理datanode
