dump迁移
1、安装redis-dump工具
sudo apt-get install ruby rubygems ruby-devel -y
gem sources --add http://gems.ruby-china.org/ --remove http://rubygems.org/
gem sources -l
gem install redis-dump -V
2、导出数据
redis-dump -u 172.20.0.1:6379 > test.json
3、导入数据
< test.json redis-load -u 127.0.0.1:6378