我运行start-all.sh之后：
Starting namenodes on [localhost] .
Starting datanodes
Starting secondary namenodes [Wanqians-MBP]
2018-09-30 23:03:40,701 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Starting resourcemanager
Starting nodemanagers
我运行jps之后：
50871 Launcher
64712 Jps
63944 NameNode
64186 SecondaryNameNode
40668
这是我用来设置单节点集群的链接。 Run hadoop in the Mac OS