redis中使用redis-dump导出、导入、还原数据实例

2020-02-17 14:56:51

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redis的备份和还原，借助了第三方的工具，redis-dump

1、安装redis-dump

[root@localhost tank]# yum install ruby rubygems ruby-devel   //安装rubygems 以及相关包  
[root@localhost tank]# gem sources -a http://ruby.taobao.org/   //源，加入淘宝，外面的源不能访问  
http://ruby.taobao.org/ added to sources  
[root@localhost tank]# gem install redis-dump -V   //安装redis-dump  

2、redis-dump导出数据

[root@localhost tank]# telnet 127.0.0.1 6379 //telnet到redis
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
set test 11 //设置一个值
+OK
get test //取值
$2
11

[root@localhost tank]# redis-dump -u 127.0.0.1:6379 >test.json //导出数据

3、redis-load还原数据

[root@localhost tank]# telnet 127.0.0.1 6379 //telnet到redis  
Trying 127.0.0.1...  
Connected to 127.0.0.1.  
Escape character is '^]'.  
flushall //请空所有数据  
+OK  
keys * //查看已清空  
*0  
  
[root@localhost tank]#   
[root@localhost tank]# telnet 127.0.0.1 6379  
Trying 127.0.0.1...  
Connected to 127.0.0.1.  
Escape character is '^]'.  
keys * //已导入成功  
*1  
$4  
test  