CentOS+Nginx+PHP+MySQL标准生产环境配置方法
<p>PHP 5.3.1</p>
<p>
MySQL 5.0.89</p>
<p>
Nginx 0.8.33 或 0.7.65 (可选)</p>
<p>
这个可比网上流传的什么一键安装包要好得多,强烈推荐此法安装,适合所有菜鸟和高手。我服务器上全用的源代码编译安装,也好不到哪去,还很费劲。我这个装完已经包含 php 的一些常用扩展, PDO,eaccelerator,memcache,tidy等等。</p>
<p>
CentOS 最小化安装,然后先新建一个 repo</p>
<p>
# vi /etc/yum.repos.d/centos.21andy.com.repo</p>
<p>
放入如下内容</p>
<p>
<br>
name=21Andy.com Packages for Enterprise Linux 5 - $basearch<br>
baseurl=http://www.21andy.com/centos/5/$basearch/<br>
enabled=1<br>
gpgcheck=0<br>
protect=1</p>
<p>
启用 EPEL repo</p>
<p>
CentOS i386 输入如下命令</p>
<p>
rpm -ihv <font color="#a91718">http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-3.noarch.rpm</font></p>
<p>
CentOS x86_64 输入如下命令</p>
<p>
rpm -ihv <font color="#a91718">http://download.fedora.redhat.com/pub/epel/5/x86_64/epel-release-5-3.noarch.rpm</font></p>
<p>
然后导入key</p>
<p>
rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL</p>
<p>
复制代码</p>
<p>
OK,一键安装吧</p>
<p>
yum -y install nginx mysql-server php-fpm php-cli php-pdo php-mysql php-mcrypt php-mbstring php-gd php-tidy php-xml php-xmlrpc php-pear php-pecl-memcache php-eaccelerator</p>
<p>
最后 yum -y update 一下,全是最新的</p>
<p>
如果 nginx 你要用 0.7.65 最新稳定版,把</p>
<p>
yum -y install nginx</p>
<p>
换成</p>
<p>
yum -y install nginx-stable</p>
<p>
就可以了</p>
<p>
装完你已经可以这样玩了</p>
<p>
service mysqld start</p>
<p>
service php-fpm start</p>
<p>
service nginx start</p>
<p>
别忘了设置开机启动</p>
<p>
chkconfig --level 345 mysqld on</p>
<p>
chkconfig --level 345 php-fpm on</p>
<p>
chkconfig --level 345 nginx on</p>
<p>
配置文件都在 /etc 下自己找</p>
<p>
看看安装多自动</p>
<p>
Dependencies Resolved</p>
<p>
==========================================================<br>
Package Arch Version Repository Size<br>
==========================================================<br>
Installing:<br>
mysql x86_64 5.0.89-1.el5 21Andy.com 3.5 M<br>
mysql-server x86_64 5.0.89-1.el5 21Andy.com 10 M<br>
nginx x86_64 0.8.33-3.el5 21Andy.com 422 k<br>
php-cli x86_64 5.3.1-2.el5 21Andy.com 2.4 M<br>
php-eaccelerator x86_64 2:0.9.6-1.el5 21Andy.com 118 k<br>
php-fpm x86_64 5.3.1-2.el5 21Andy.com 1.2 M<br>
php-gd x86_64 5.3.1-2.el5 21Andy.com 110 k<br>
php-mbstring x86_64 5.3.1-2.el5 21Andy.com 1.1 M<br>
php-mcrypt x86_64 5.3.1-2.el5 21Andy.com 27 k<br>
php-mysql x86_64 5.3.1-2.el5 21Andy.com 84 k<br>
php-pdo x86_64 5.3.1-2.el5 21Andy.com 91 k<br>
php-pear noarch 1:1.9.0-1.el5 21Andy.com 420 k<br>
php-pecl-memcache x86_64 2.2.5-3.el5 21Andy.com 44 k<br>
php-tidy x86_64 5.3.1-2.el5 21Andy.com 31 k<br>
php-xml x86_64 5.3.1-2.el5 21Andy.com 115 k<br>
php-xmlrpc x86_64 5.3.1-2.el5 21Andy.com 48 k<br>
Installing for dependencies:<br>
gmp x86_64 4.1.4-10.el5 base 201 k<br>
libXaw x86_64 1.0.2-8.1 base 329 k<br>
libXmu x86_64 1.0.2-5 base 63 k<br>
libXpm x86_64 3.5.5-3 base 44 k<br>
libedit x86_64 2.11-2.20080712cvs.el5 epel 80 k<br>
libmcrypt x86_64 2.5.8-4.el5.centos extras 105 k<br>
libtidy x86_64 0.99.0-14.20070615.el5 epel 140 k<br>
php-common x86_64 5.3.1-2.el5 21Andy.com 554 k<br>
sqlite2 x86_64 2.8.17-5.el5 21Andy.com 165 k<br>
t1lib x86_64 5.1.1-7.el5 epel 208 k<br>
Updating for dependencies:<br>
libevent x86_64 1.4.12-1.el5 21Andy.com 129 k</p>
<p>
Transaction Summary<br>
==========================================================<br>
Install 26 Package(s)<br>
Update 1 Package(s)<br>
Remove 0 Package(s)</p>
<p>
以下分别测试我本地的虚拟机和 VPS 上 Nginx + php-fpm 的性能</p>
<p>
我的本机虚拟机测试,配置为PD930 双核3.0G,2G内存,给虚拟机分配的是 1G 内存,安装的系统为 <strong>CentOS 5.4 64bit</strong></p>
<p>
<strong>测试内容为</strong></p>
<p>
<?php phpinfo();?></p>
<p>
<strong>500 </strong>并发测试,CPU使用率到了30%,系统负载在<strong>10</strong>左右,页面打开还是飞快</p>
<blockquote>
<p>
# <strong>webbench -c 500 -t 30 </strong>http://127.0.0.1/<br>
Webbench - Simple Web Benchmark 1.5<br>
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.</p>
<p>
Benchmarking: GET http://127.0.0.1/<br>
500 clients, running 30 sec.</p>
<p>
Speed=<strong>223504 pages/min</strong>, 21806556 bytes/sec.<br>
Requests: 111752 susceed, 0 failed.</p>
</blockquote>
<p>
<strong>2000 </strong>并发测试,CPU使用率35%,系统负载在<strong>18</strong>左右,页面打开还是飞快</p>
<blockquote>
<p>
# <strong>webbench -c 2000 -t 30 </strong>http://127.0.0.1/<br>
Webbench - Simple Web Benchmark 1.5<br>
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.</p>
<p>
Benchmarking: GET http://127.0.0.1/<br>
2000 clients, running 30 sec.</p>
<p>
Speed=<strong>429494 pages/min</strong>, 39004788 bytes/sec.<br>
Requests: 214747 susceed, 0 failed.</p>
</blockquote>
<p>
<strong>5000 </strong>并发测试,CPU使用率30%,系统负载到了<strong>35</strong>,页面打还速度还不错,看了这数据,前些天说的那个1500万PHP请求也没啥了</p>
<blockquote>
<p>
# <strong>webbench -c 5000 -t 30 </strong>http://127.0.0.1/<br>
Webbench - Simple Web Benchmark 1.5<br>
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.</p>
<p>
Benchmarking: GET http://127.0.0.1/<br>
5000 clients, running 30 sec.</p>
<p>
Speed=<strong>788986 pages/min</strong>, 66952700 bytes/sec.<br>
Requests: 394493 susceed, 0 failed.</p>
</blockquote>
<p>
还不过瘾,变态一下,10000并发</p>
<p>
<strong>10000 </strong>并发,CPU使用还是不到30%,系统负载从<strong>60</strong>左右一直升到<strong>1000</strong>左右,晕死!居然还能打开!只是有点卡!负载到<strong>600</strong>多的时候居然不卡!疯了,我这还是虚拟机,webbench 还是在自己机上开的,汗,太强了</p>
<blockquote>
<p>
# <strong>webbench -c 10000 -t 30 </strong>http://127.0.0.1/<br>
Webbench - Simple Web Benchmark 1.5<br>
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.</p>
<p>
Benchmarking: GET http://127.0.0.1/<br>
10000 clients, running 30 sec.</p>
<p>
Speed=<strong>1513718 pages/min</strong>, -17973622 bytes/sec.<br>
Requests: 756859 susceed, 0 failed.</p>
</blockquote>
<p>
而我的 VPS , 2G内存,8核CPU测试,但我不是使用上面的 yum 安装,而是全用源代码编译安装的,测试结果如下:</p>
<p>
500并发,CPU使用率20%,负载2左右</p>
<blockquote>
<p>
# <strong>webbench -c 500 -t 30 </strong>http://127.0.0.1/index.php<br>
Webbench - Simple Web Benchmark 1.5<br>
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.</p>
<p>
Benchmarking: GET http://127.0.0.1/index.php<br>
500 clients, running 30 sec.</p>
<p>
Speed=<strong>120520 pages/min</strong>, -36244332 bytes/sec.<br>
Requests: 60260 susceed, 0 failed.</p>
</blockquote>
<p>
2000并发,CPU使用率20%左右,负载2左右,没啥变化</p>
<blockquote>
<p>
<strong>webbench -c 2000 -t 30 </strong>http://127.0.0.1/index.php<br>
Webbench - Simple Web Benchmark 1.5<br>
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.</p>
<p>
Benchmarking: GET http://127.0.0.1/index.php<br>
2000 clients, running 30 sec.</p>
<p>
Speed=<strong>111454 pages/min</strong>, -44285944 bytes/sec.<br>
Requests: 55727 susceed, 0 failed.</p>
</blockquote>
<p>
开到3000并发也一样,但打开页面要等几秒,突然一下出来,说明我进程开少了,还有余地。</p>
<p>
现在我明白了前几天那个1500万PHP请求还能稳定访问是怎么回事了,哈哈,你只要CentOS 5.4 64bit,再按我上面的 yum 方法安装,也一样能顶住。</p>
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