hadoop的hdfs命令
[root@ldy conf]# hadoop fs -ls / ls和linux命令差不多
创新互联公司专业为企业提供鹤峰网站建设、鹤峰做网站、鹤峰网站设计、鹤峰网站制作等企业网站建设、网页设计与制作、鹤峰企业网站模板建站服务,十多年鹤峰做网站经验,不只是建网站,更提供有价值的思路和整体网络服务。
Warning: $HADOOP_HOME is deprecated.
Found 1 items
drwxr-xr-x - root supergroup 0 2016-07-05 15:55 /user
[root@ldy conf]#
[root@ldy conf]# hadoop fs -mkdir /user/root/zby 创建一个目录和linux命令差不多
Warning: $HADOOP_HOME is deprecated.
[root@ldy conf]# hadoop fs -ls /user/root/
Warning: $HADOOP_HOME is deprecated.
Found 4 items
-rw-r--r-- 1 root supergroup 2052 2016-07-05 16:01 /user/root/hadoop-metrics2.properties
-rw-r--r-- 1 root supergroup 2460 2016-07-05 15:55 /user/root/input
drwxr-xr-x - root supergroup 0 2016-07-05 15:57 /user/root/input1
drwxr-xr-x - root supergroup 0 2016-07-05 16:13 /user/root/zby
[root@ldy conf]#
[root@ldy conf]hadoop fs -put hadoop-env.sh /user/root/ 把文件上传到指定目录
Warning: $HADOOP_HOME is deprecated.
[root@ldy conf]#
[root@ldy conf]# hadoop fs -cat /user/root/hadoop-env.sh 查看上传的文件
Warning: $HADOOP_HOME is deprecated.
# Set Hadoop-specific environment variables here.
# The only required environment variable is JAVA_HOME. All others are
# optional. When running a distributed configuration it is best to
# set JAVA_HOME in this file, so that it is correctly defined on
[root@ldy conf]# hadoop fs -get /user/root/hadoop-env.sh hadoop-env.sh3 下载指定文件
Warning: $HADOOP_HOME is deprecated.
[root@ldy conf]# ls hadoop-env.sh3 查看下载下来的文件
hadoop-env.sh3
[root@ldy conf]#
分享题目:hadoop的hdfs命令
分享URL:http://myzitong.com/article/ispsdd.html