1. Start Find Session requires a certain overhead, default session.save_handler = files, can be modified to redis speed.
The session files will block the request? https://log.zvz.im/2016/02/27/PHP-session/
Some businesses may not need to interface to open session, so as laravel .env set SESSION_DRIVER = array
2. Use redis process, pay attention to the rational use of command can be used exists, do not use keys, a large amount of data transfer fees efficiency loss.
3. asynchronous network calls can optimize the asynchronous role is to enhance concurrency. http://www.yzmedu.com/learn/2900
Link：https://www.cnblogs.com/farwish/p/12105357.html