1、查看当前centos的cpu 信息及内存信息
# 总核数 = 物理CPU个数 X 每颗物理CPU的核数
# 总逻辑CPU数 = 物理CPU个数 X 每颗物理CPU的核数 X 超线程数
# 查看CPU 信息
cat /proc/cpuinfo |grep "name" |cut -f2 -d: |uniq -c
# 查看CPU 核心信息
cat /proc/cpuinfo | grep "physical"| sort |uniq -c
getconf LONG_BIT
cat /proc/cpuinfo
2、nginx CPU优化
# 四核worker配置
worker_processes 4;
worker_cpu_affinity 0001 0010 0100 1000;
# 八核worker配置
worker_processes 8;
worker_cpu_affinity 00000001 00000010 00000100 00001000 00010000 00100000 01000000 1000000;
worker_rlimit_nofile 65535;
events {
use epoll;
worker_connections 65535;
multi_accept on;
}
#user nobody;
#
worker_processes 1;
# 四核worker配置
# worker_processes 4;
# worker_cpu_affinity 0001 0010 0100 1000;
# 八核worker配置
# worker_processes 8;
# worker_cpu_affinity 00000001 00000010 00000100 00001000 00010000 00100000 01000000 1000000;
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#error_log "pipe:rollback logs/error_log interval=1d baknum=7 maxsize=2G";
#pid logs/nginx.pid;
worker_rlimit_nofile 65535;
events {
use epoll;
worker_connections 65535;
multi_accept on;
}
http {
# 隐藏版本号
server_tokens off;
include mime.types;
default_type application/octet-stream;
map $http_upgrade $connection_upgrade {
default upgrade;
'' close;
}
#log_format main '$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 "pipe:rollback logs/access_log interval=1d baknum=7 maxsize=2G" main;
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
#gzip on;
# X-Frame-Options 防frame嵌入
add_header X-Frame-Options SAMEORIGIN;
# X-XSS-Protection
add_header X-Xss-Protection "1; mode=block";
# 禁用了客户端的 MIME 类型嗅探行为
add_header X-Content-Type-Options nosniff;
server {
listen 80;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
#access_log "pipe:rollback logs/host.access_log interval=1d baknum=7 maxsize=2G" main;
location / {
root html;
index index.html index.htm;
}
#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 http://127.0.0.1;
#}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
#location ~ \.php$ {
# root html;
# fastcgi_pass 127.0.0.1:9000;
# fastcgi_index index.php;
# fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
# include fastcgi_params;
#}
# pass the Dubbo rpc to Dubbo provider server listening on 127.0.0.1:20880
#
#location /dubbo {
# dubbo_pass_all_headers on;
# dubbo_pass_set args $args;
# dubbo_pass_set uri $uri;
# dubbo_pass_set method $request_method;
#
# dubbo_pass org.apache.dubbo.samples.tengine.DemoService 0.0.0 tengineDubbo dubbo_backend;
#}
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# deny all;
#}
}
#server {
#listen 443 ssl;
#charset utf-8;
#配置HTTPS的默认访问端口为443。
#如果未在此处配置HTTPS的默认访问端口，可能会造成Nginx无法启动。
#如果您使用Nginx 1.15.0及以上版本，请使用listen 443 ssl代替listen 443和ssl on。
#server_name xxxxxx.xxx.xxx; #需要将yourdomain.com替换成证书绑定的域名。
#add_header Strict-Transport-Security "max-age=63072000; includeSubdomains" always;
#ssl_certificate cert/xxx.pem; #需要将cert-file-name.pem替换成已上传的证书文件的名称。
#ssl_certificate_key cert/xxx.key; #需要将cert-file-name.key替换成已上传的证书密钥文件的名称。
#ssl_session_timeout 5m;
#ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
#表示使用的加密套件的类型。
#ssl_protocols TLSv1 TLSv1.1 TLSv1.2; #表示使用的TLS协议的类型。
#ssl_prefer_server_ciphers on;
#location /a/ {
#proxy_pass https://xxx.xxx.xxx.xxx:443/a/;
#proxy_set_header Host $host:$server_port;
#proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
#proxy_set_header X-Forwarded-Proto $scheme;
#proxy_set_header X-Forwarded-Port $server_port;
#}
#location / {
#proxy_pass https://xxx.xxx.xxx.xxx:443/;
#proxy_set_header Host $http_host;
#proxy_read_timeout 60s;
#proxy_set_header X-Real_IP $remote_addr;
#proxy_set_header X-Forwarded-for $remote_addr;
#proxy_http_version 1.1;
#proxy_set_header Upgrade $http_upgrade;
#proxy_set_header Connection 'Upgrade';
#}
#error_page 404 403 /40x.html;
#location = /40x.html {
#root html;
#}
#}
# upstream for Dubbo rpc to Dubbo provider server listening on 127.0.0.1:20880
#
#upstream dubbo_backend {
# multi 1;
# server 127.0.0.1:20880;
#}
# 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;
# add_header Strict-Transport-Security "max-age=63072000; includeSubdomains" always;
# 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;
# }
#}
}