Ускоряем Nginx на сервере

Как правило, настроенный должным образом сервер Nginx на Linux, может обрабатывать 500,000 — 600,000 запросов в секунду. Но этот показатель можно весьма ощутимо увеличить. Хотел бы обратить внимание на тот факт, что настройки описанные ниже, применялись в тестовой среде и, возможно, для ваших боевых серверов они не подойдут.

Полня статья по настройке находится на сайте

habr.com

{reklama}

Все настройки без описаний для бесстрашных лентяев

# This number should be, at maximum, the number of CPU cores on your system. 
worker_processes 24;

# Number of file descriptors used for Nginx.
worker_rlimit_nofile 200000;

# Only log critical errors.
error_log /var/log/nginx/error.log crit

events {

    # Determines how many clients will be served by each worker process.
    worker_connections 4000;

    # The effective method, used on Linux 2.6+, optmized to serve many clients with each thread.
    use epoll;

    # Accept as many connections as possible, after nginx gets notification about a new connection.
    multi_accept on;

}

http {

    # Caches information about open FDs, freqently accessed files.
    open_file_cache max=200000 inactive=20s; 
    open_file_cache_valid 30s; 
    open_file_cache_min_uses 2;
    open_file_cache_errors on;

    # Disable access log altogether.
    access_log off;

    # Sendfile copies data between one FD and other from within the kernel.
    sendfile on; 

    # Causes nginx to attempt to send its HTTP response head in one packet,  instead of using partial frames.
    tcp_nopush on;

    # Don't buffer data-sends (disable Nagle algorithm).
    tcp_nodelay on; 

    # Timeout for keep-alive connections. Server will close connections after this time.
    keepalive_timeout 30;

    # Number of requests a client can make over the keep-alive connection.
    keepalive_requests 1000;

    # Allow the server to close the connection after a client stops responding. 
    reset_timedout_connection on;

    # Send the client a "request timed out" if the body is not loaded by this time.
    client_body_timeout 10;

    # If the client stops reading data, free up the stale client connection after this much time.
    send_timeout 2;

    # Compression.
    gzip on;
    gzip_min_length 10240;
    gzip_proxied expired no-cache no-store private auth;
    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml;
    gzip_disable "msie6";

}