cat /usr/local/nginx/conf/nginx.conf

user  www www;worker_processes auto;error_log  /home/wwwlogs/nginx_error.log  crit;pid        /usr/local/nginx/logs/nginx.pid;#Specifies the value for maximum file descriptors that can be opened by this process.worker_rlimit_nofile 51200;events    {        use epoll;        worker_connections 51200;        multi_accept on;    }http    {        include       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"';        server_names_hash_bucket_size 128;        client_header_buffer_size 64k;        large_client_header_buffers 4 64k;        client_max_body_size 30m;        sendfile   on;        tcp_nopush on;        keepalive_timeout 120;        tcp_nodelay on;        upstream backend {           server 192.168.1.100:80 weight=5 max_fails=5 fail_timeout=15s;           server 192.168.1.99:80 weight=5 max_fails=5 fail_timeout=15s;           keepalive 600;        }        gzip on;        gzip_min_length  1k;        gzip_buffers     4 64k;        gzip_http_version 1.1;        gzip_comp_level 4;        gzip_types     text/plain application/javascript application/x-javascript text/javascript text/css application/xml application/xml+rss;        gzip_vary on;        gzip_proxied   expired no-cache no-store private auth;        gzip_disable   "MSIE [1-6]\.";        limit_conn_zone $binary_remote_addr zone=conip:50m;        limit_req_zone $binary_remote_addr zone=reqip:50m rate=100r/s;        server_tokens off;        access_log off;        open_file_cache max=204800 inactive=20s;         open_file_cache_valid 30s;         open_file_cache_min_uses 1;         open_file_cache_errors on;         proxy_temp_path   /home/proxy_temp;        proxy_cache_path  /home/proxy_cache levels=1:2 keys_zone=cache_one:500m inactive=99s max_size=1g;                #include guolv_ip.conf;        include vhost/*.conf;}