It's unbelievable to realize that the Yahoo or Google never experienced such accident. This is not the time for maintenance. Failover is the key, production sho

It's unbelievable to realize that the Yahoo or Google never experienced such accident. This is not the time for maintenance. Failover is the key, production should have hardware load balancing to switch to, right? Actually the front end should not be affected with the backend, unless the entire website is compromised.