nginx.conf

#user                    www-data www-data;

pid                     logs/nginx.pid;

worker_processes        auto;
worker_rlimit_nofile    8192;
#thread_pool             conns threads=1024 max_queue=0;
thread_pool             weserv threads=1024 max_queue=65536;

events {
    accept_mutex        on;
    accept_mutex_delay  500ms;
    multi_accept        on;
    worker_connections  4096;
    #worker_aio_requests 4096;
}

http {

	charset             utf-8;

	tcp_nopush          on;
	tcp_nodelay         on;
	sendfile            on;
    sendfile_max_chunk  512k;

	types_hash_max_size 1024;
    server_names_hash_bucket_size  128;

    aio                 threads=weserv;
    directio            4m;
    output_buffers      128 512k;
    #aio_write           off;

    etag                off;
    max_ranges          0;
    server_tokens       off;

    keepalive_timeout   300;
    keepalive_requests  300;
    client_body_timeout 10s;
    send_timeout        5s;
    reset_timedout_connection on;

    # mimetypes
    include                 /usr/local/openresty/nginx/conf/mime.types;
    default_type            application/octet-stream;

    log_format  main        '$remote_addr - $remote_user [$time_local] "$request" '
                            '$status $body_bytes_sent "$http_referer" '
                            '"$http_user_agent" "$http_x_forwarded_for"';

    log_format  main_ext    '$remote_addr - $remote_user [$time_local] "$request" '
                            '$status $body_bytes_sent "$http_referer" '
                            '"$http_user_agent" "$http_x_forwarded_for" '
                            '"$host" sn="$server_name" '
                            'rt=$request_time '
                            'ua="$upstream_addr" us="$upstream_status" '
                            'ut="$upstream_response_time" ul="$upstream_response_length" '
                            'cs=$upstream_cache_status' ;

    log_format  stats       '$time_iso8601 $status $body_bytes_sent $request_time';

    # switch off access and not found files
    access_log              off;
    log_not_found           off;

    # log for errors
    error_log               logs/error.log error;

    include                 /etc/nginx/conf.d/*.conf;
}