https://stackoverflow.com/questions/41494999/servicestack-redis-erros-unexpected-reply-protocol-error-expected
https://stackoverflow.com/questions/30745681/redisresponseexception-unknown-reply-on-multi-request
https://stackoverflow.com/questions/36436212/unexpected-reply-on-high-volume-scenario-using-servicestack-redis?rq=1
http://blog.csdn.net/zhang98722/article/details/8279548
https://github.com/ServiceStack/
Redis单线程架构 http://blog.csdn.net/sunhuiliang85/article/details/73656830
高并发下线程安全的单例模式 http://blog.csdn.net/cselmu9/article/details/51366946