Hadoop 基本操作命令

核心提示：fs run a generic filesystem user clientbalancer run a cluster balancing utilityjobtracker run the MapReduce job Tracker

fs run a generic filesystem user client
balancer run a cluster balancing utility
jobtracker run the MapReduce job Tracker node
pipes run a Pipes job
tasktracker run a MapReduce task Tracker node
job manipulate MapReduce jobs
queue get information regarding JobQueues
version print the version
jar <jar> run a jar file
distcp <srcurl> <desturl> copy file or directories recursively
archive -archiveName NAME <src>* <dest> create a hadoop archive
daemonlog get/set the log level for each daemon
or
CLASSNAME run the class named CLASSNAME
Most commands print help when invoked w/o parameters.