1,安装redis-dump
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[root@localhost tank]# yum install ruby rubygems ruby-devel //安装rubygems 以及相关包
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[root@localhost tank]# gem sources -a http://ruby.taobao.org/ //源,加入淘宝,外面的源不能访问
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http://ruby.taobao.org/ added to sources
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[root@localhost tank]# gem install redis-dump -V //安装redis-dump
2,redis-dump导出数据
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[root@localhost tank]# telnet 127.0.0.1 6379 //telnet到redis
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Trying 127.0.0.1...
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Connected to 127.0.0.1.
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Escape character is '^]'.
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set test 11 //设置一个值
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+OK
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get test //取值
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$2
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11
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[root@localhost tank]# redis-dump -u 127.0.0.1:6379 >test.json //导出数据
3,redis-load还原数据
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[root@localhost tank]# telnet 127.0.0.1 6379 //telnet到redis
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Trying 127.0.0.1...
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Connected to 127.0.0.1.
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Escape character is '^]'.
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flushall //请空所有数据
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+OK
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keys * //查看已清空
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*0
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[root@localhost tank]# < test.json redis-load //导入数据
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[root@localhost tank]# telnet 127.0.0.1 6379
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Trying 127.0.0.1...
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Connected to 127.0.0.1.
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Escape character is '^]'.
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keys * //已导入成功
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*1
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$4
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test