关于Hadoop [root@master ~]# hadoop --help Usage: hadoop [--config confdir] COMMANDwhere COMMAND is one of: fs run a generic filesystem user client version print the version jar <jar> run a jar file checknative [-a|-h] check native hadoop and compressi
今天在学习hadoop启动命令的时候,先jps看了下,发现namenode.datanode都开着,所以想要先停止这些服务,结果输入命令后报错:“WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable”. 进入lib/native里一看,是空的...空的.... 下载的时候,cloudera里的