1.美图

2.背景

mac下本地启动hadoop 本地模式

(base) lcc@lcc hadoop-2.7.4$ sh sbin/start-all.shThis script is Deprecated. Instead use start-dfs.sh and start-yarn.sh19/12/02 10:05:33 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicableStarting namenodes on [localhost]localhost: ssh: connect to host localhost port 22: Connection refused启动nameNode的命令 /Users/lcc/soft/