Tengine is a webserver developed by Taobao. It is Asia's largest e-commerce site. It is built on the Nginx HTTP Server and offers many advanced features. Tengine has been tested on the top 100 websites worldwide, including Taobao. Since December 2011, Tengine has been open-source. The Tengine team is actively developing it. Its core members include people from Taobao and Sogou, as well as other internet companies. Tengine is a community effort, and everyone is welcome to participate. All features of Nginx-1.7.3 can be inherited. It is compatible with Nginx. Use connect HTTP to support forward proxy. Enhanced operations monitoring, including asynchronous log and rollback, DNS caching and memory usage. Unbuffered upload to HTTP and FastCGI backend server, which saves disk I/Os. More load balancing options, such as consistent hashing and session persistence, upstream quality check, and so on.