一、用于调试配置项
daemon
master_process
error_log
debug_points
debug_connection
worker_rlimit_core
working_directory
二、正常运行的必备配置项
env
include
pid
user
worker_rlimit_nofile
worker_rlimit_sigpending
三、优化性能的配置项
worker_processes
worker_cpu_affinity
ssl_engine
timer_resolution
worker_priority
四、事件类配置项
accept_mutex
lock_file
accept_mutex_delay
multi_accept
use
worker_connections