企业高性能web服务器（4）

Exquisite.2026-02-05 21:04

一、Nginx负载均衡算法

复制代码 
[root@Nginx ~]# vim /usr/local/nginx/conf/upstream/loadbalance.conf
upstream webserver {
    #ip_hash;
    #hash $request_uri consistent;
    #least_conn;
    hash $cookie_lee;
    server 172.25.254.10:80 weight=1 fail_timeout=15s max_fails=3;
    server 172.25.254.20:80 weight=1 fail_timeout=15s max_fails=3;
    #server 172.25.254.100:8888 backup;

}
server {
    listen 80;
    server_name www.timinglee.org;

    location ~ / {
        proxy_pass http://webserver;
    }
}


[root@RS1+2 ~]# mkdir -p /var/www/html/web1
[root@RS1 ~]#echo "web1." > /var/www/html/web1/index.html
[root@RS2 ~]#echo "web1.rs2" > /var/www/html/web1/index.html

#
[root@Nginx ~]# curl  -b lee=20 www.timinglee.org
[root@Nginx ~]# curl   www.timinglee.org/web1/index.html
[root@Nginx ~]# curl   www.timinglee.org/

二、PHP的源码编译

1.下载源码包

复制代码 
[root@Nginx ~]# wget https://www.php.net/distributions/php-8.3.30.tar.gz
[root@Nginx ~]# wget https://mirrors.aliyun.com/rockylinux/9.7/devel/x86_64/os/Packages/o/oniguruma-devel-6.9.6-1.el9.6.x86_64.rpm     #依赖

2.解压

复制代码 
[root@Nginx ~]# tar zxf php-8.3.30.tar.gz
[root@Nginx ~]# ls
anaconda-ks.cfg                lee.png              nginx-1.29.4.tar.gz  test.c
daolian.png                    nginx-1.28.1         php-8.3.30
echo-nginx-module-0.64         nginx-1.28.1.tar.gz  php-8.3.30.tar.gz
echo-nginx-module-0.64.tar.gz  nginx-1.29.4         test
[root@Nginx ~]# cd php-8.3.30

3.源码编译

bash 复制代码 
[root@Nginx ~]# dnf install gcc systemd-devel-252-51.el9.x86_64 libxml2-devel.x86_64 sqlite-devel.x86_64  libcurl-devel.x86_64  libpng-devel.x86_64 oniguruma-devel-6.9.6-1.el9.6.x86_64.rpm -y

#安装一系列依赖
[root@Nginx ~]# yum install -y libjpeg libjpeg-devel libpng libpng-devel libwebp libwebp-devel freetype freetype-devel   

[root@Nginx ~]# cd php-8.3.30/
[root@Nginx php-8.3.30]# ./configure \
--prefix=/usr/local/php \		#安装路径
--with-config-file-path=/usr/local/php/etc \	#指定配置路径
--enable-fpm  \			#用cgi方式启动程序
--with-fpm-user=nginx \	#指定运行用户身份
--with-fpm-group=nginx \
--with-curl \			#打开curl浏览器支持
--with-iconv \			#启用iconv函数，转换字符编码
--with-mhash \			#mhash加密方式扩展库
--with-zlib \			#支持zlib库，用于压缩http压缩传输
--with-openssl \		#支持ssl加密
--enable-mysqlnd \		#mysql数据库
--with-mysqli \			
--with-pdo-mysql \
--disable-debug \		#关闭debug功能
--enable-sockets \		#支持套接字访问
--enable-soap \			#支持soap扩展协议
--enable-xml \			#支持xml
--enable-ftp \			#支持ftp
--enable-gd \			#支持gd库
--enable-exif \			#支持图片元数据
--enable-mbstring \		#支持多字节字符串	
--enable-bcmath \		#打开图片大小调整,用到zabbix监控的时候用到了这个模块
--with-fpm-systemd		#支持systemctl 管理cgi

[root@Nginx php-8.3.30]# make && make install

4.配置PHP

bash 复制代码 
[root@Nginx php-8.3.30]# cd /usr/local/php/etc
[root@Nginx etc]# cp -p php-fpm.conf.default  php-fpm.conf

[root@Nginx etc]# vim php-fpm.conf
[global]
; Pid file
; Note: the default prefix is /usr/local/php/var
; Default Value: none
pid = run/php-fpm.pid


[root@Nginx etc]# cd php-fpm.d/
[root@Nginx php-fpm.d]# cp www.conf.default www.conf
[root@Nginx php-fpm.d]# vim www.conf
41 listen = 0.0.0.0:9000

[root@Nginx php-fpm.d]# cp /root/php-8.3.30/php.ini-production  /usr/local/php/etc/php.ini

[root@Nginx php-fpm.d]# vim /usr/local/php/etc/php.ini
989 date.timezone = Asia/Shangha

[root@Nginx ~]# cp /root/php-8.3.30/sapi/fpm/php-fpm.service /lib/systemd/system/
[root@Nginx ~]# vim /lib/systemd/system/php-fpm.service

# Mounts the /usr, /boot, and /etc directories read-only for processes invoked by this unit.
#ProtectSystem=full		#注释此参数
[root@Nginx ~]# systemctl daemon-reload
[root@Nginx ~]# systemctl enable --now php-fpm

[root@Nginx ~]# netstat -antlupe | grep php
tcp        0      0 0.0.0.0:9000            0.0.0.0:*               LISTEN      0          329917     165562/php-fpm: mas

4.Nginx整合PHP

先在vim /etc/hosts 加上php.timinglee.org

在记事本上也加上

bash 复制代码 
[root@Nginx conf.d]# mkdir  /webdir/timinglee.org/php/html -p
[root@Nginx conf.d]# vim /webdir/timinglee.org/php/html/index.html
php.timinglee.org

[root@Nginx conf.d]# vim /webdir/timinglee.org/php/html/index.php
<?php
  phpinfo();
?>


[root@Nginx ~]# cd /usr/local/nginx/conf/conf.d/
[root@Nginx conf.d]# vim php.conf
server {
  listen 80;
  server_name php.timinglee.org;
  root /webdir/timinglee.org/php/html;
  location ~ \.php$ {
    fastcgi_pass 127.0.0.1:9000;
    fastcgi_index index.php;
    include fastcgi.conf;
  }
}

[root@Nginx conf.d]# nginx -s reload

#测试
http://php.timinglee.org

http://php.timinglee.org/index.php

5.为php设定环境变量

root@Nginx \~\]# vim \~/.bash_profile export PATH=$PATH:/usr/local/nginx/sbin:/usr/local/php/sbin:/usr/local/php/bin \[root@Nginx \~\]# source \~/.bash_profile \[root@Nginx \~\]# php -m

三、利用memcache实现php的缓存加速

1.安装memcache

root@Nginx \~\]# dnf install memcached.x86_64 -y

2.配置memcache

bash 复制代码 
[root@Nginx ~]# vim /etc/sysconfig/memcached
PORT="11211"
USER="memcached"
MAXCONN="1024"
CACHESIZE="64"
OPTIONS="-l 0.0.0.0,::1"

[root@Nginx ~]# systemctl enable --now memcached.service

[root@Nginx ~]# netstat -antlupe | grep memcache
tcp        0      0 0.0.0.0:11211           0.0.0.0:*               LISTEN      991        437305     166169/memcached
tcp6       0      0 ::1:11211               :::*                    LISTEN      991        437306     166169/memcached

3.升级php对于memcache的支持

bash 复制代码 
[root@Nginx ~]# php -m	#查看php支持的插件

[root@Nginx ~]# tar zxf memcache-8.2.tgz
[root@Nginx ~]# cd memcache-8.2/
[root@Nginx memcache-8.2]# dnf install autoconf -y
[root@Nginx memcache-8.2]# phpize
[root@Nginx memcache-8.2]# ./configure  && make && make install

[root@Nginx memcache-8.2]# ls /usr/local/php/lib/php/extensions/no-debug-non-zts-20230831/
memcache.so  opcache.so

[root@Nginx memcache-8.2]# vim /usr/local/php/etc/php.ini
939  extension=memcache

[root@Nginx memcache-8.2]# systemctl restart php-fpm.service
[root@Nginx memcache-8.2]# php -m  | grep memcache
memcache

4.测试性

bash 复制代码 
[root@Nginx memcache-8.2]# vim memcache.php
define('ADMIN_USERNAME','admin');   // Admin Username
define('ADMIN_PASSWORD','lee');     // Admin Password
$MEMCACHE_SERVERS[] = '172.25.254.100:11211'; // add more as an array
#$MEMCACHE_SERVERS[] = 'mymemcache-server2:11211'; // add more as an array

[root@Nginx memcache-8.2]# cp -p memcache.php  /webdir/timinglee.org/php/html/
[root@Nginx memcache-8.2]# cp -p example.php /webdir/timinglee.org/php/html/

#测试
http://php.timinglee.org/memcache.php			#数据页面，在浏览器中可以直接访问
[root@Nginx memcache-8.2]# ab -n 1000 -c 300  php.timinglee.org/example.php

四、nginx+memcache实现高速缓存解

1.重新编译nginx

bash 复制代码 
[root@Nginx ~]# systemctl stop nginx.service
[root@Nginx ~]# cp /usr/local/nginx/conf/    /mnt/ -r
[root@Nginx ~]# rm -fr /usr/local/nginx/
[root@Nginx ~]# rm -rf nginx-1.29.4 nginx-1.28.1
[root@Nginx ~]# tar zxf nginx-1.28.1.tar.gz
[root@Nginx ~]# tar zxf srcache-nginx-module-0.33.tar.gz
[root@Nginx ~]# tar zxf memc-nginx-module-0.20.tar.gz

[root@Nginx ~]# cd nginx-1.28.1/
[root@Nginx nginx-1.28.1]# ./configure  --prefix=/usr/local/nginx --user=nginx --group=nginx --with-http_ssl_module --with-http_v2_module --with-http_realip_module --with-http_stub_status_module --with-http_gzip_static_module --with-pcre --with-stream --with-stream_ssl_module --with-stream_realip_module --add-module=/root/echo-nginx-module-0.64  --add-module=/root/memc-nginx-module-0.20 --add-module=/root/srcache-nginx-module-0.33
[root@Nginx nginx-1.28.1]# make && make install

[root@Nginx ~]# cd /usr/local/nginx/conf
[root@Nginx conf]# rm -fr nginx.conf
[root@Nginx conf]# cp /mnt/conf/nginx.conf /mnt/conf/conf.d/ . -r
[root@Nginx conf]# systemctl start nginx.service

2.整合memcache

bash 复制代码 
[root@Nginx conf]# vim /usr/local/nginx/conf/conf.d/php.conf
upstream memcache {
   server 127.0.0.1:11211;
   keepalive 512;
}
server {
    listen 80;
    server_name php.timinglee.org;
    root /webdir/timinglee.org/php/html;
    index index.php index.html;

    location /memc {
        internal;
        memc_connect_timeout 100ms;
        memc_send_timeout 100ms;
        memc_read_timeout 100ms;
        set $memc_key $query_string;
        set $memc_exptime 300;
        memc_pass memcache;
    }
    location ~ \.php$ {
        set $key $uri$args;
        srcache_fetch GET /memc $key;
        srcache_store PUT /memc $key;
        fastcgi_pass 127.0.0.1:9000;
        fastcgi_index index.php;
        include fastcgi.conf;
  }
}

[root@Nginx conf]# nginx  -s reload
#测试
[root@Nginx conf]# ab -n 10000 -c500 http://php.timinglee.org/example.php

五、Nginx的四层负载均衡代理

1.实验环境（Mysql）

bash 复制代码 
[root@RS1 ~]# dnf install mariadb-server -y
[root@RS2 ~]#  dnf install mariadb-server -y

[root@RS1 ~]# vim /etc/my.cnf.d/mariadb-server.cnf
server-id=10

[root@RS2 ~]# vim /etc/my.cnf.d/mariadb-server.cnf
server-id=20
[root@RS1 ~]# systemctl enable --now mariadb
[root@RS2 ~]# systemctl enable --now mariadb

[root@RS1 ~]# mysql
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 3
Server version: 10.5.27-MariaDB MariaDB Server

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> CREATE USER lee@'%' IDENTIFIED BY 'lee';
Query OK, 0 rows affected (0.001 sec)

MariaDB [(none)]> GRANT ALL ON *.* TO lee@'%';
Query OK, 0 rows affected (0.001 sec)

MariaDB [(none)]>

[root@RS2 ~]# mysql
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 3
Server version: 10.5.27-MariaDB MariaDB Server

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]>  CREATE USER lee@'%' IDENTIFIED BY 'lee';
Query OK, 0 rows affected (0.001 sec)

MariaDB [(none)]> GRANT ALL ON *.* TO lee@'%';
Query OK, 0 rows affected (0.001 sec)

2.实验环境（dns）

bash 复制代码 
[root@RS1 ~]# dnf install bind -y
[root@RS2 ~]# dnf install bind -y

[root@RS1 ~]# vim /etc/named.conf
[root@RS2 ~]# vim /etc/named.conf

options {
//      listen-on port 53 { 127.0.0.1; };
//      listen-on-v6 port 53 { ::1; };
        directory       "/var/named";
        dump-file       "/var/named/data/cache_dump.db";
        statistics-file "/var/named/data/named_stats.txt";
        memstatistics-file "/var/named/data/named_mem_stats.txt";
        secroots-file   "/var/named/data/named.secroots";
        recursing-file  "/var/named/data/named.recursing";
//      allow-query     { localhost; };
        dnssec-validation no;

[root@RS1 ~]# vim /etc/named.rfc1912.zones
[root@RS2 ~]# vim /etc/named.rfc1912.zones

zone "timinglee.org" IN {
        type master;
        file "timinglee.org.zone";
        allow-update { none; };
};

[root@RS1 ~]# cd /var/named/
[root@RS2 ~]# cd /var/named/
[root@RS1 named]# cp -p named.localhost  timinglee.org.zone
[root@RS2 named]# cp -p named.localhost  timinglee.org.zone


[root@RS1 named]# vim timinglee.org.zone
$TTL 1D
@       IN SOA  dns.timingle.org. rname.invalid. (
                                        0       ; serial
                                        1D      ; refresh
                                        1H      ; retry
                                        1W      ; expire
                                        3H )    ; minimum
        NS      dns.timinglee.org.
dns     A       172.25.254.10

[root@RS2 named]# vim timinglee.org.zone
$TTL 1D
@       IN SOA  dns.timingle.org. rname.invalid. (
                                        0       ; serial
                                        1D      ; refresh
                                        1H      ; retry
                                        1W      ; expire
                                        3H )    ; minimum
        NS      dns.timinglee.org.
dns     A       172.25.254.20


[root@RS2 named]# systemctl enable --now named

#测试
[root@RS1 named]# dig dns.timinglee.org @172.25.254.10

; <<>> DiG 9.16.23-RH <<>> dns.timinglee.org @172.25.254.10
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24486
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: 4bb88849cac36aa4010000006982fef4676bf81574ab80b7 (good)
;; QUESTION SECTION:
;dns.timinglee.org.             IN      A

;; ANSWER SECTION:
dns.timinglee.org.      86400   IN      A       172.25.254.10

;; Query time: 3 msec
;; SERVER: 172.25.254.10#53(172.25.254.10)
;; WHEN: Wed Feb 04 16:10:28 CST 2026
;; MSG SIZE  rcvd: 90

[root@RS1 named]# dig dns.timinglee.org @172.25.254.20

; <<>> DiG 9.16.23-RH <<>> dns.timinglee.org @172.25.254.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42456
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: 7c088d4822b8f1c1010000006982fef9047f3812bdaf7c0e (good)
;; QUESTION SECTION:
;dns.timinglee.org.             IN      A

;; ANSWER SECTION:
dns.timinglee.org.      86400   IN      A       172.25.254.20

;; Query time: 1 msec
;; SERVER: 172.25.254.20#53(172.25.254.20)
;; WHEN: Wed Feb 04 16:10:33 CST 2026
;; MSG SIZE  rcvd: 90

3.tcp四层负载

bash 复制代码 
[root@Nginx conf]# dnf install mariadb-server -y
[root@Nginx conf]# mkdir  /usr/local/nginx/conf/tcp -p
[root@Nginx conf]# mkdir  /usr/local/nginx/conf/udp -p
[root@Nginx conf]# vim /usr/local/nginx/conf/nginx.conf
include "/usr/local/nginx/conf/tcp/*.conf";

[root@Nginx conf]# vim /usr/local/nginx/conf/tcp/mariadb.conf
stream {
  upstream mysql_server {
    server 172.25.254.10:3306  max_fails=3 fail_timeout=30s;
    server 172.25.254.20:3306  max_fails=3 fail_timeout=30s;
  }

  server {
    listen 172.25.254.100:3306;
    proxy_pass mysql_server;
    proxy_connect_timeout 30s;
    proxy_timeout 300s;
  }

}
[root@Nginx conf]# nginx  -s reload

#检测
[root@Nginx ~]# mysql -ulee -plee -h172.25.254.100
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 4
Server version: 10.5.27-MariaDB MariaDB Server

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> SELECT @@server_id;
+-------------+
| @@server_id |
+-------------+
|          10 |
+-------------+
1 row in set (0.001 sec)

MariaDB [(none)]> quit
Bye
[root@Nginx ~]# mysql -ulee -plee -h172.25.254.100
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 4
Server version: 10.5.27-MariaDB MariaDB Server

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> SELECT @@server_id;
+-------------+
| @@server_id |
+-------------+
|          20 |
+-------------+
1 row in set (0.001 sec)

4.udp四层负载

bash 复制代码 
[root@Nginx ~]# vim /usr/local/nginx/conf/tcp/mariadb.conf
stream {
  upstream mysql_server {
    server 172.25.254.10:3306  max_fails=3 fail_timeout=30s;
    server 172.25.254.20:3306  max_fails=3 fail_timeout=30s;
  }

  upstream dns_server{
    server 172.25.254.10:53 max_fails=3 fail_timeout=30s;
    server 172.25.254.20:53 max_fails=3 fail_timeout=30s;
  }

  server {
    listen 172.25.254.100:3306;
    proxy_pass mysql_server;
    proxy_connect_timeout 30s;
    proxy_timeout 300s;
  }

  server {
        listen 172.25.254.100:53 udp;
        proxy_pass dns_server;
        proxy_timeout 1s;
        proxy_responses 1;
        error_log logs/dns.log;
    }
}
[root@Nginx ~]# nginx  -s reload


#测试

[root@Nginx ~]# dig dns.timinglee.org @172.25.254.100

; <<>> DiG 9.16.23-RH <<>> dns.timinglee.org @172.25.254.100
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32224
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: 9ac742ccc566d4450100000069830452db8dce1f1b224c9f (good)
;; QUESTION SECTION:
;dns.timinglee.org.             IN      A

;; ANSWER SECTION:
dns.timinglee.org.      86400   IN      A       172.25.254.10

;; Query time: 2 msec
;; SERVER: 172.25.254.100#53(172.25.254.100)
;; WHEN: Wed Feb 04 16:33:22 CST 2026
;; MSG SIZE  rcvd: 90

[root@Nginx ~]# dig dns.timinglee.org @172.25.254.100

; <<>> DiG 9.16.23-RH <<>> dns.timinglee.org @172.25.254.100
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2259
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: 7f9ffa4884c0b685010000006983045565fd892fc72c5514 (good)
;; QUESTION SECTION:
;dns.timinglee.org.             IN      A

;; ANSWER SECTION:
dns.timinglee.org.      86400   IN      A       172.25.254.20

;; Query time: 2 msec
;; SERVER: 172.25.254.100#53(172.25.254.100)
;; WHEN: Wed Feb 04 16:33:25 CST 2026
;; MSG SIZE  rcvd: 90
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