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;
}