常用命令记录下
hadoop namenode -format
start-all.sh
hadoop dfs -mkdir input
hadoop fs -ls
hadoop dfs -rmr output/
hadoop dfs -copyFromLocal ./conf/* input/
hadoop jar hadoop-0.20.2-examples.jar wordcount input output
hadoop fs -ls output
hadoop fs cat output/partxxxx
hadoop jar inception.jar com.alibaba.hadoop.task.OfferTask offer output
hadoop job -list
hadoop job -status job_id
bin/hadoop dfs -chmod 777 /user/Administrator
hadoop查看：
web方式：
?? ?DHFS：http://localhost:50070?
?? ?JobTracker :http://localhost:50030?
hbase: http://10.20.156.47:60010/master.jsp
