nginx优化总结，nginx通用优化配置文件

[root@nginx ~]# cat nginx.conf
user www;                   # nginx进程启动用户
worker_processes auto;      #与cpu核心一致即可
worker_cpu_affinity auto;   # cpu亲和
error_log /var/log/nginx/error.log warn;    # 错误日志
pid /run/nginx.pid;
worker_rlimit_nofile 35535;     #每个work能打开的文件描述符，调整至1w以上,负荷较高建议2-3w
events {
use epoll;                  # 使用epoll高效网络模型
worker_connections 10240;   # 限制每个进程能处理多少个连接，10240x[cpu核心]
}
http {
include             mime.types;
default_type        application/octet-stream;
charset utf-8;      # 统一使用utf-8字符集
# 定义日志格式
log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                  '$status $body_bytes_sent "$http_referer" '
                  '"$http_user_agent" "$http_x_forwarded_for"';

#定义json日志格式              
log_format json_access '{"@timestamp":"$time_iso8601",'
                  '"host":"$server_addr",'
                  '"clientip":"$remote_addr",'
                  '"size":$body_bytes_sent,'
                  '"responsetime":$request_time,'
                  '"upstreamtime":"$upstream_response_time",'
                  '"upstreamhost":"$upstream_addr",'
                  '"http_host":"$host",'
                  '"url":"$uri",'
                  '"domain":"$host",'
                  '"xff":"$http_x_forwarded_for",'
                  '"referer":"$http_referer",'
                  '"status":"$status"}';

access_log  /var/log/nginx/access.log  main;    # 访问日志

server_tokens off;  # 禁止浏览器显示nginx版本号
client_max_body_size 200m;  # 文件上传大小限制调整

# 文件高效传输，静态资源服务器建议打开
sendfile            on;
tcp_nopush          on;
# 文件实时传输，动态资源服务建议打开,需要打开keepalive
tcp_nodelay         on;
keepalive_timeout   65; #开启tcp长连接，以及长连接超时时间keepalived

# Gzip 压缩
gzip on;
gzip_disable "MSIE [1-6]\.";    #针对IE浏览器不进行压缩
gzip_http_version 1.1;
gzip_comp_level 2;      #压缩级别
gzip_buffers 16 8k;     #压缩的缓冲区
gzip_min_length 1024;   #文件大于1024字节才进行压缩，默认值20
gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript image/jpeg;

# 虚拟主机
include /etc/nginx/conf.d/*.conf;

}