hadoop3.x——下载命令（shell）

从hdfs下载文件

wakeup42

680人浏览 · 2022-09-04 17:22:32

wakeup42 · 2022-09-04 17:22:32 发布

-copyToLocal——复制到本地

[adming@hadoop101 hadoop-3.1.3]$ hadoop fs -appendToFile liubei.txt /sanguo/shuguo.txt
2022-09-04 17:08:14,949 INFO sasl.SaslDataTransferClient: SASL encryption trust check: localHostTrusted = false, remoteHostTrusted = false
[adming@hadoop101 hadoop-3.1.3]$ hadoop fs -copyToLocal /sanguo/shuguo.txt ./shuguo2.txt
2022-09-04 17:19:40,694 INFO sasl.SaslDataTransferClient: SASL encryption trust check: localHostTrusted = false, remoteHostTrusted = false
[adming@hadoop101 hadoop-3.1.3]$ ll
总用量 192
drwxr-xr-x. 2 adming adming    183 9月  12 2019 bin
drwxrwxr-x. 4 adming adming     37 8月  21 16:19 data
drwxr-xr-x. 3 adming adming     20 9月  12 2019 etc
drwxr-xr-x. 2 adming adming    106 9月  12 2019 include
drwxr-xr-x. 3 adming adming     20 9月  12 2019 lib
drwxr-xr-x. 4 adming adming    288 9月  12 2019 libexec
-rw-rw-r--. 1 adming adming 147145 9月   4 2019 LICENSE.txt
-rw-rw-r--. 1 adming adming      7 9月   4 16:58 liubei.txt
drwxrwxr-x. 3 adming adming   4096 9月   4 17:05 logs
-rw-rw-r--. 1 adming adming  21867 9月   4 2019 NOTICE.txt
drwxr-xr-x. 3 adming adming   4096 9月  12 2019 sbin
drwxr-xr-x. 4 adming adming     31 9月  12 2019 share
-rw-r--r--. 1 adming adming     14 9月   4 17:19 shuguo2.txt
drwxr-xr-x. 2 root   root       22 8月  18 08:55 wcinput
drwxr-xr-x. 2 root   root       88 8月  18 08:59 wcoutput
-rw-rw-r--. 1 adming adming      7 9月   4 16:48 weiguo.txt
-rw-rw-r--. 1 adming adming      6 9月   4 16:52 wuguo.txt