由于服务器apache抗不住目前的并发.加上前端squid配置后,问题依然无法解决.而页面程序大部分是动态.无法使用fastcgi来处理.因此想使用nginx做为反向代理apache.整个配置安装过程很简单.在考虑高并发的情况下,在安装前就做了些优化.目前配置能抗住3000以上并发.好像不是特别大哦?呵~~ 但足以~~ 只是还有少量499问题..期待有人跟我讨论解决
第1部分:安装 1 建立用户及组 /usr/sbin/groupadd www /usr/sbin/useradd -g www www
wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-7.8.tar.gz tar zxvf pcre-7.8.tar.gz cd pcre-7.8/ ./configure make && make install
wget http://sysoev.ru/nginx/nginx-0.7.58.tar.gz tar zxvf nginx-0.7.58.tar.gz cd nginx-0.7.58/ ./configure --user=www --group=www --prefix=/usr/local/webserver/nginx --with-http_stub_status_module --with-http_ssl_module --with-cc-opt='-O2' --with-cpu-opt=opteron make && make install
user www www; worker_processes 4; # [ debug | info | notice | warn | error | crit ] error_log /usr/local/webserver/nginx/logs/nginx_error.log crit; pid /usr/local/webserver/nginx/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; } http { include mime.types; default_type application/octet-stream; source_charset GB2312; server_names_hash_bucket_size 256; client_header_buffer_size 256k; large_client_header_buffers 4 256k; #size limits client_max_body_size 50m; client_body_buffer_size 256k; client_header_timeout 3m; client_body_timeout 3m; send_timeout 3m; #参数都有所调整.目的是解决代理过程中出现的一些502 499错误 sendfile on; tcp_nopush on; keepalive_timeout 120; #参数加大,以解决做代理时502错误 tcp_nodelay on; include vhosts/upstream.conf; include vhosts/bbs.linuxtone.conf; }
2 upstream.conf 配置文件(这也是做负载的配置方法)