# 附录 1. [Linux内核调优](kernel-optimization.html) 2. [压力测试](stress-test.html) 3. [安装扩展](install-extension.html) 4. [websocket协议](about-websocket.html) 5. [ws协议](about-ws.html) 6. [text协议](about-text.html) 7. [frame协议](about-frame.html) 8. [不支持的函数/特性](unavailable-functions.html)