So many Jenkins users around us because it's super easy to get started. But you might encounter some tough problems in the real world. How can you make sure Jenkins always online even there are over 1000 users? How can you get a warning before your Jenkins panic? No matter how perfect your solution is. Having a great monitoring and alerting system is crucial. Believe me no one willing to fix the panic issues often. I'm going to show you how to fix these problems. KubeSphere has out-of-box monitoring and alerting based on Prometheus.