open_file_cache_valid80s;
open_file_cache 指令中的inactive参数时间内文件的最少使用次数，如果超过这个数字，文件描述符一直是在缓存中打开的，如上例，如果有一个文件在inactive时间内一次没被使用，它将被移除。
open_file_cache_min_uses 1;
开启进程复用
multi_accept on;
单个客户端在 keep-alive 连接上可以发送的请求数量，在测试环境中，需要配置个比较大的值。
keepalive_requests 200000;
gzip相关配置
gzip on;
gzip on;
gzip_min_length 5k;
gzip_buffers 4 16k;
gzip_http_version 1.0;
gzip_comp_level 4;
gzip_types text/plain application/x-javascript text/css application/xml text/javascript application/x-httpd-php image/jpeg image/gif image/png;
gzip_vary on;
缓存配置
location ~ .*.(gif|jpg|jpeg|png|bmp|swf|js|css)$
{
expires 30d;
}
引入lua库
lua_package_path “/nginxLua/openresty/lualib/resty/?.lua;;”;
配置调用执行ua代码
例
location /redis {
default_type ‘text/html’;
content_by_lua_file /lua/redis.lua;
}
优化的nginx配置
user nobody;
worker_processes 8;
worker_rlimit_nofile 65535;
error_log logs/error.log;
error_log logs/error.log notice;
error_log logs/error.log info;
error_log off;
pid logs/nginx.pid;
events {
use epoll;
multi_accept on; #开启进程复用
worker_connections 65535;
}
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"';
#access_log logs/access.log main;
access_log off;#正式环境最好注释掉
sendfile
on;
#tcp_nopush
on;
#keepalive_timeout 0;
keepalive_timeout 0;
keepalive_requests 200000;# 单个客户端在 keep-alive 连接上可以发送的请求数量，在测试环境中，需要配置个比较大的值。
gzip on;
#gzip on;
gzip_min_length 5k;
gzip_buffers
4 16k;
gzip_http_version 1.0;
gzip_comp_level 4;
gzip_types
text/plain application/x-javascript text/css application/xml text/javascript application/x-httpd-php image/jpeg image/gif image/png;
gzip_vary on;
lua_package_path "/nginxLua/openresty/lualib/resty/?.lua;;";
server {
listen
80;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
location / {
root html;
index index.html index.htm;
}
location /redis {
default_type 'text/html';
content_by_lua_file /lua/redis.lua;
}
#error_page 404
/404.html;
# redirect server error pages to the static page /50x.html
#
#error_page 500 502 503 504 /50x.html;
#location = /50x.html {
# root html;
#}
# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# proxy_pass ;
#}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
location ~ \.php(.*)$ {
root html;
#fastcgi_pass unix:/dev/shm/fpm-cgi.sock;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_split_path_info ^(.+\.php)(.*)$;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param PATH_INFO
$fastcgi_path_info;
fastcgi_param PATH_TRANSLATED $document_root$fastcgi_path_info;
include fastcgi_params;
}
location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|js|css)$
{
expires
30d;
}
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# deny all;
#}
}
# another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
# listen
8000;
# listen
somename:8080;
# server_name somename alias another.alias;
# location / {
#
root html;
#
index index.html index.htm;
# }
#}
# HTTPS server
#
#server {
# listen
443 ssl;
# server_name localhost;
# ssl_certificate
cert.pem;
# ssl_certificate_key cert.key;
# ssl_session_cache shared:SSL:1m;
# ssl_session_timeout 5m;
# ssl_ciphers HIGH:!aNULL:!MD5;
# ssl_prefer_server_ciphers on;
# location / {
#
root html;
#
index index.html index.htm;
# }
#}
}
php-fpm配置优化
配置目录：/etc/php-fpm.d/www.conf
php-fpm初始/空闲/最大worker进程数
pm.max_children = 300
pm.start_servers = 20
pm.min_spare_servers = 5
pm.max_spare_servers = 35
最大处理请求数是指一个php-fpm的worker进程在处理多少个请求后就终止掉，master进程会重新respawn一个新的。 这个配置的主要目的是避免php解释器或程序引用的第三方库造成的内存泄露。
pm.max_requests = 10240
所有配置修改都要记得重启服务，确保配置加载
三、压力测试
测试项目
worker_rlimit_nofile（最大可用文件描述符数量）
worker_connections 单个进程允许的最大连接数
worker_processes 服务开启的进程数
keepalive_timeout自动关闭连接时间
multi_accept是否开启进程复用
gzip_comp_level
keepalive_requests单个客户端在 keep-alive 连接上可以发送的请求数量
测试数据（点击可以下载）：
参数设置：
worker_rlimit_nofile worker_connections worker_processes keepalive_timeout multi_accept gzip_comp_level keepalive_requests
65535 65535 8 0 on 4 65535
