redis USES redis dump to export import and restore data instances

Backup and restore of redis, with the help of a third tool, redis-dump

1. Install redis-dump

[root@localhost tank]# yum install ruby rubygems ruby-devel   // The installation rubygems  And related packages   

[root@localhost tank]# gem sources -a http://ruby.taobao.org/   // Source, join taobao, outside the source can not be accessed   

http://ruby.taobao.org/ added to sources  

[root@localhost tank]# gem install redis-dump -V   // The installation redis-dump  

2. redis-dump export data

[root@localhost tank]# telnet 127.0.0.1 6379 //telnet to redis  

Trying 127.0.0.1...  

Connected to 127.0.0.1.  

Escape character is '^]'.  

set test 11 // Set up the 1 A value   

+OK  

get test // The values   

$2  

11  

  

[root@localhost tank]# redis-dump -u 127.0.0.1:6379 >test.json // Export data   

3. Restore data by redis-load

[root@localhost tank]# telnet 127.0.0.1 6379 //telnet to redis  

Trying 127.0.0.1...  

Connected to 127.0.0.1.  

Escape character is '^]'.  

flushall // Please empty all data   

+OK  

keys * // View cleared   

*0  

  

[root@localhost tank]# < test.json redis-load // Import data   

  

[root@localhost tank]# telnet 127.0.0.1 6379  

Trying 127.0.0.1...  

Connected to 127.0.0.1.  

Escape character is '^]'.  

keys * // Imported successfully   

*1  

$4  

test