hdfs 常用命令

hadoop fs

hadoop fs -ls /

hadoop fs -lsr

hadoop fs -du /

hadoop fs -mkdir /user/hadoop

hadoop fs -put a.txt /user/hadoop/

hadoop fs -get /user/hadoop/a.txt /

hadoop fs -cp src dst

hadoop fs -mv src dst

hadoop fs -cat /user/hadoop/a.txt

hadoop fs -rm /user/hadoop/a.txt

hadoop fs -rmr /user/hadoop/a.txt

hadoop fs -text /user/hadoop/a.txt

hadoop fs -copyFromLocal localsrc dst 与hadoop fs -put功能类似。

hadoop fs -moveFromLocal localsrc dst 将本地文件上传到hdfs，同时删除本地文件。

hadoop fsadmin

hadoop dfsadmin -report

hadoop dfsadmin -safemode enter | leave | get | wait

hadoop dfsadmin -setBalancerBandwidth 1000

hadoop fsck

start-balancer.sh

转载于:https://www.cnblogs.com/zhangeamon/p/5534067.html