調整系統使得 EMQX 可以支援 1M 連線

Reference Tuning EMQX to Scale to One Million Concurrent Connection on Kubernetes Performance Tuning (Linux) 矽谷牛的耕田筆記 Note Linux Kernel Tuning node level, basically the non-namespaced sysctls # Sets the maximum number of file handles allowed by the kernel sysctl -w fs.file-max=2097152 # Sets the maximum number of open file descriptors that a process can have sysctl -w fs.nr_open=2097152 namespaced sysctls # Sets the maximum number of connections that can be queued for acceptance by the kernel.