redis持久化切换rdb到aof

切换rdb到aof
redis-cli  登陆redis，而后经过命令，激活aof持久化
127.0.0.1:6379>  CONFIG set appendonly yes    #用命令激活aof持久化(临时生效，注意写入到配置文件)
OK
127.0.0.1:6379>
127.0.0.1:6379>
127.0.0.1:6379>  CONFIG SET save ""    #关闭rdb持久化