Nginx 0.7.x + PHP 5.2.6(FastCGI)搭建胜过Apache十倍的Web服务器(第4版)[原创]

 [文章作者:张宴 本文版本:v4.0 最后修改:2008.08.29 转载请注明原文链接:http://blog.s135.com/read.php/366.htm]
  安装步骤:
  (系统要求:Linux 2.6+ 内核,本文中的Linux操作系统为CentOS 5.1,另在RedHat AS4上也安装成功)
  一、获取相关开源程序:
  1、利用CentOS Linux系统自带的yum命令安装、升级所需的程序库(RedHat等其他Linux发行版可从安装光盘中找到这些程序库的RPM包,进行安装):

sudo -s
LANG=C
yum -y install gcc gcc-c++ autoconf libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 libxml2-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel ncurses ncurses-devel curl curl-devel

  2、RedHat等其他Linux发行版可从安装光盘中找到这些程序库的RPM包(事先可通过类似“rpm -qa | grep libjpeg”的命令查看所需的RPM包是否存在,通常是“xxx-devel”不存在,需要安装)。RedHat可以直接利用CentOS的RPM包安装,以下是RPM包下载网址:
  ①、RedHat AS4 & CentOS 4
  http://mirror.be10.com/centos/4/os/i386/CentOS/RPMS/
  http://mirror.be10.com/centos/4/os/x86_64/CentOS/RPMS/
  ②、RedHat AS5 & CentOS 5
  http://mirror.be10.com/centos/5/os/i386/CentOS/
  http://mirror.be10.com/centos/5/os/x86_64/CentOS/
  ③、RPM包搜索网站
  http://rpm.pbone.net/
  http://www.rpmfind.net/
  3、下载程序源码包:
  本文中提到的所有开源软件为截止到2008年8月28日的最新稳定版。

mkdir -p /data0/software
cd /data0/software
wget http://sysoev.ru/nginx/nginx-0.7.13.tar.gz
wget http://www.php.net/get/php-5.2.6.tar.gz/from/this/mirror
wget http://php-fpm.anight.org/downloads/head/php-5.2.6-fpm-0.5.8.diff.gz
#wget http://dev.mysql.com/get/Downloads/MySQL-5.1/mysql-5.1.26-rc.tar.gz/from/http://mirror.x10.com/mirror/mysql/
wget http://blog.s135.com/soft/linux/mysql/mysql-5.1.26-rc.tar.gz
wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.12.tar.gz
#wget "http://downloads.sourceforge.net/mcrypt/libmcrypt-2.5.8.tar.gz?modtime=1171868460&big_mirror=0"
wget http://mirror.optus.net/sourceforge/m/mc/mcrypt/libmcrypt-2.5.8.tar.gz
#wget "http://downloads.sourceforge.net/mcrypt/mcrypt-2.6.7.tar.gz?modtime=1194463373&big_mirror=0"
wget http://mirror.optus.net/sourceforge/m/mc/mcrypt/mcrypt-2.6.7.tar.gz
wget http://pecl.php.net/get/memcache-2.2.3.tgz
#wget "http://downloads.sourceforge.net/mhash/mhash-0.9.9.tar.gz?modtime=1175740843&big_mirror=0"
wget http://mirror.optus.net/sourceforge/m/mh/mhash/mhash-0.9.9.tar.gz
wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-7.7.tar.gz
wget http://bart.eaccelerator.net/source/0.9.5.3/eaccelerator-0.9.5.3.tar.bz2

  二、安装PHP 5.2.6(FastCGI模式)
  1、编译安装PHP 5.2.6所需的支持库:

tar zxvf libiconv-1.12.tar.gz
cd libiconv-1.12/
./configure --prefix=/usr/local
make
make install
cd ../
tar zxvf libmcrypt-2.5.8.tar.gz 
cd libmcrypt-2.5.8/
./configure
make
make install
/sbin/ldconfig
cd libltdl/
./configure --enable-ltdl-install
make
make install
cd ../../
tar zxvf mhash-0.9.9.tar.gz
cd mhash-0.9.9/
./configure
make
make install
cd ../
cp /usr/local/lib/libmcrypt.* /usr/lib 
ln -s /usr/local/lib/libmhash.so.2 /usr/lib/libmhash.so.2
tar zxvf mcrypt-2.6.7.tar.gz
cd mcrypt-2.6.7/
./configure
make
make install
cd ../

  2、编译安装MySQL 5.1.26-rc

/usr/sbin/groupadd mysql
/usr/sbin/useradd -g mysql mysql
tar zxvf mysql-5.1.26-rc.tar.gz
cd mysql-5.1.26-rc/
./configure --prefix=/usr/local/webserver/mysql/ --enable-assembler --with-extra-charsets=complex --enable-thread-safe-client --with-big-tables --with-readline --with-ssl --with-embedded-server --enable-local-infile
make && make install
chmod +w /usr/local/webserver/mysql
chown -R mysql:mysql /usr/local/webserver/mysql
cp support-files/my-medium.cnf /usr/local/webserver/mysql/my.cnf
cd ../

  附:以下为附加步骤,如果你想在这台服务器上运行MySQL数据库,则执行以下两步。如果你只是希望让PHP支持MySQL扩展库,能够连接其他服务器上的MySQL数据库,那么,以下两步无需执行。
  ①、以mysql用户帐号的身份建立数据表:

/usr/local/webserver/mysql/bin/mysql_install_db --defaults-file=/usr/local/webserver/mysql/my.cnf --basedir=/usr/local/webserver/mysql --datadir=/usr/local/webserver/mysql/data --user=mysql --pid-file=/usr/local/webserver/mysql/mysql.pid --skip-locking --port=3306 --socket=/tmp/mysql.sock

  ②、启动MySQL(最后的&表示在后台运行)

/bin/sh /usr/local/webserver/mysql/bin/mysqld_safe --defaults-file=/usr/local/webserver/mysql/my.cnf &

  3、编译安装PHP(FastCGI模式)

tar zxvf php-5.2.6.tar.gz
gzip -cd php-5.2.6-fpm-0.5.8.diff.gz | patch -d php-5.2.6 -p1
cd php-5.2.6/
./configure --prefix=/usr/local/webserver/php --with-config-file-path=/usr/local/webserver/php/etc --with-mysql=/usr/local/webserver/mysql --with-mysqli=/usr/local/webserver/mysql/bin/mysql_config --with-iconv-dir=/usr/local --with-freetype-dir --with-jpeg-dir --with-png-dir --with-zlib --with-libxml-dir=/usr --enable-xml --disable-rpath --enable-discard-path --enable-safe-mode --enable-bcmath --enable-shmop --enable-sysvsem --enable-inline-optimization --with-curl --with-curlwrappers --enable-mbregex --enable-fastcgi --enable-fpm --enable-force-cgi-redirect --enable-mbstring --with-mcrypt --with-gd --enable-gd-native-ttf --with-openssl
sed -i 's#-lz -lm -lxml2 -lz -lm -lxml2 -lz -lm -lcrypt#& -liconv#' Makefile
make
make install
cp php.ini-dist /usr/local/webserver/php/etc/php.ini
cd ../

  4、编译安装PHP5扩展模块

tar zxvf memcache-2.2.3.tgz
cd memcache-2.2.3/
/usr/local/webserver/php/bin/phpize
./configure --with-php-config=/usr/local/webserver/php/bin/php-config
make
make install
cd ../
tar jxvf eaccelerator-0.9.5.3.tar.bz2
cd eaccelerator-0.9.5.3/
/usr/local/webserver/php/bin/phpize
./configure --enable-eaccelerator=shared --with-php-config=/usr/local/webserver/php/bin/php-config
make
make install
cd ../

  5、修改php.ini文件
  手工修改:查找/usr/local/webserver/php/etc/php.ini中的extension_dir = "./"
  修改为extension_dir = "/usr/local/webserver/php/lib/php/extensions/no-debug-non-zts-20060613/"
  并在此行后增加以下几行,然后保存:
  extension = "memcache.so"
  再查找output_buffering = Off
  修改为output_buffering = On
  自动修改:若嫌手工修改麻烦,可执行以下shell命令,自动完成对php.ini文件的修改:

sed -i 's#extension_dir = "./"#extension_dir = "/usr/local/webserver/php/lib/php/extensions/no-debug-non-zts-20060613/"\nextension = "memcache.so"\n#' /usr/local/webserver/php/etc/php.ini
sed -i 's#output_buffering = Off#output_buffering = On#' /usr/local/webserver/php/etc/php.ini

  6、配置eAccelerator加速PHP:

mkdir -p /usr/local/webserver/eaccelerator_cache
vi /usr/local/webserver/php/etc/php.ini

  按shift+g键跳到配置文件的最末尾,加上以下配置信息:

[eaccelerator]
zend_extension="/usr/local/webserver/php/lib/php/extensions/no-debug-non-zts-20060613/eaccelerator.so"
eaccelerator.shm_size="128"
eaccelerator.cache_dir="/usr/local/webserver/eaccelerator_cache"
eaccelerator.enable="1"
eaccelerator.optimizer="1"
eaccelerator.check_mtime="1"
eaccelerator.debug="0"
eaccelerator.filter=""
eaccelerator.shm_max="0"
eaccelerator.shm_ttl="300"
eaccelerator.shm_prune_period="120"
eaccelerator.shm_only="0"
eaccelerator.compress="1"
eaccelerator.compress_level="9"

  修改配置文件:

vi /etc/sysctl.conf

  输入以下内容:

kernel.shmmax = 134217728

  然后执行以下命令使配置生效:

/sbin/sysctl -p

  7、创建www用户和组,以及供blog.s135.com和www.s135.com两个虚拟主机使用的目录:

/usr/sbin/groupadd www -g 48
/usr/sbin/useradd -u 48 -g www www
mkdir -p /data0/htdocs/blog
chmod +w /data0/htdocs/blog
chown -R www:www /data0/htdocs/blog
mkdir -p /data0/htdocs/www
chmod +w /data0/htdocs/www
chown -R www:www /data0/htdocs/www

  8、创建php-fpm配置文件(php-fpm是为PHP打的一个FastCGI管理补丁,可以平滑变更php.ini配置而无需重启php-cgi):
  在/usr/local/webserver/php/etc/目录中创建php-fpm.conf文件:

rm -f /usr/local/webserver/php/etc/php-fpm.conf
vi /usr/local/webserver/php/etc/php-fpm.conf

  输入以下内容(如果您安装 Nginx + PHP 用于程序调试,请将以下的0改为1,以便显示PHP错误信息,否则,Nginx 会报状态为500的空白错误页):

<?xml version="1.0" ?>
<configuration>
        All relative paths in this config are relative to php's install prefix
        <section name="global_options">
                Pid file
                <value name="pid_file">/usr/local/webserver/php/logs/php-fpm.pid</value>
                Error log file
                <value name="error_log">/usr/local/webserver/php/logs/php-fpm.log</value>
                Log level
                <value name="log_level">notice</value>
                When this amount of php processes exited with SIGSEGV or SIGBUS ...
                <value name="emergency_restart_threshold">10</value>
                ... in a less than this interval of time, a graceful restart will be initiated.
                Useful to work around accidental curruptions in accelerator's shared memory.
                <value name="emergency_restart_interval">1m</value>
                Time limit on waiting child's reaction on signals from master
                <value name="process_control_timeout">5s</value>
                Set to 'no' to debug fpm
                <value name="daemonize">yes</value>
        </section>
        <workers>
                <section name="pool">
                        Name of pool. Used in logs and stats.
                        <value name="name">default</value>
                        Address to accept fastcgi requests on.
                        Valid syntax is 'ip.ad.re.ss:port' or just 'port' or '/path/to/unix/socket'
                        <value name="listen_address">127.0.0.1:9000</value>
                        <value name="listen_options">
                                Set listen(2) backlog
                                <value name="backlog">-1</value>
                                Set permissions for unix socket, if one used.
                                In Linux read/write permissions must be set in order to allow connections from web server.
                                Many BSD-derrived systems allow connections regardless of permissions.
                                <value name="owner"></value>
                                <value name="group"></value>
                                <value name="mode">0666</value>
                        </value>
                        Additional php.ini defines, specific to this pool of workers.
                        <value name="php_defines">
                                <value name="sendmail_path">/usr/sbin/sendmail -t -i</value>
                                <value name="display_errors">0</value>
                        </value>
                        Unix user of processes
                        <value name="user">www</value>
                        Unix group of processes
                        <value name="group">www</value>
                        Process manager settings
                        <value name="pm">
                                Sets style of controling worker process count.
                                Valid values are 'static' and 'apache-like'
                                <value name="style">static</value>
                                Sets the limit on the number of simultaneous requests that will be served.
                                Equivalent to Apache MaxClients directive.
                                Equivalent to PHP_FCGI_CHILDREN environment in original php.fcgi
                                Used with any pm_style.
                                <value name="max_children">200</value>
                                Settings group for 'apache-like' pm style
                                <value name="apache_like">
                                        Sets the number of server processes created on startup.
                                        Used only when 'apache-like' pm_style is selected
                                        <value name="StartServers">20</value>
                                        Sets the desired minimum number of idle server processes.
                                        Used only when 'apache-like' pm_style is selected
                                        <value name="MinSpareServers">5</value>
                                        Sets the desired maximum number of idle server processes.
                                        Used only when 'apache-like' pm_style is selected
                                        <value name="MaxSpareServers">250</value>
                                </value>
                        </value>
                        Time limit on waiting execution of single request
                        Should be used when 'max_execution_time' ini option does not terminate execution for some reason
                        <value name="request_execution_timeout">31s</value>
                        Set open file desc rlimit
                        <value name="rlimit_files">51200</value>
                        Set max core size rlimit
                        <value name="rlimit_core">0</value>
                        Chroot to this directory at the start
                        <value name="chroot"></value>
                        Chdir to this directory at the start
                        <value name="chdir"></value>
                        Redirect workers' stdout and stderr into main error log.
                        If not set, they will be redirected to /dev/null, according to FastCGI specs
                        <value name="catch_workers_output">yes</value>
                        How much requests each process should execute before respawn.
                        Useful to work around memory leaks in 3rd party libraries.
                        For endless request processing please specify 0
                        Equivalent to PHP_FCGI_MAX_REQUESTS
                        <value name="max_requests">51200</value>
                        Comma separated list of ipv4 addresses of FastCGI clients that allowed to connect.
                        Equivalent to FCGI_WEB_SERVER_ADDRS environment in original php.fcgi (5.2.2+)
                        Makes sense only with AF_INET listening socket.
                        <value name="allowed_clients">127.0.0.1</value>
                        Pass environment variables like LD_LIBRARY_PATH
                        All $VARIABLEs are taken from current environment
                        <value name="environment">
                                <value name="HOSTNAME">$HOSTNAME</value>
                                <value name="PATH">/usr/local/bin:/usr/bin:/bin</value>
                                <value name="TMP">/tmp</value>
                                <value name="TMPDIR">/tmp</value>
                                <value name="TEMP">/tmp</value>
                                <value name="OSTYPE">$OSTYPE</value>
                                <value name="MACHTYPE">$MACHTYPE</value>
                                <value name="MALLOC_CHECK_">2</value>
                        </value>
                </section>
        </workers>
</configuration>

  9、启动php-cgi进程,监听127.0.0.1的9000端口,进程数为200(如果服务器内存小于3GB,可以只开启64个进程),用户为www:

ulimit -SHn 51200
/usr/local/webserver/php/sbin/php-fpm start

  注:/usr/local/webserver/php/sbin/php-fpm还有其他参数,包括:start|stop|quit|restart|reload|logrotate,修改php.ini后不重启php-cgi,重新加载配置文件使用reload。
  三、安装Nginx 0.7.13
  1、安装Nginx所需的pcre库:

tar zxvf pcre-7.7.tar.gz
cd pcre-7.7/
./configure
make && make install
cd ../

  2、安装Nginx

tar zxvf nginx-0.7.13.tar.gz
cd nginx-0.7.13/
./configure --user=www --group=www --prefix=/usr/local/webserver/nginx --with-http_stub_status_module --with-http_ssl_module
make && make install
cd ../

  3、创建Nginx日志目录

mkdir -p /data1/logs
chmod +w /data1/logs
chown -R www:www /data1/logs

  4、创建Nginx配置文件
  ①、在/usr/local/webserver/nginx/conf/目录中创建nginx.conf文件:

rm -f /usr/local/webserver/nginx/conf/nginx.conf
vi /usr/local/webserver/nginx/conf/nginx.conf

  输入以下内容:

user  www www;
worker_processes 8;
error_log  /data1/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;
 #charset  gb2312;
     
 server_names_hash_bucket_size 128;
 client_header_buffer_size 32k;
 large_client_header_buffers 4 32k;
     
 sendfile on;
 tcp_nopush     on;
 keepalive_timeout 60;
 tcp_nodelay on;
 fastcgi_connect_timeout 300;
 fastcgi_send_timeout 300;
 fastcgi_read_timeout 300;
 fastcgi_buffer_size 64k;
 fastcgi_buffers 4 64k;
 fastcgi_busy_buffers_size 128k;
 fastcgi_temp_file_write_size 128k;
 gzip on;
 gzip_min_length  1k;
 gzip_buffers     4 64k;
 gzip_http_version 1.1; 
 gzip_types       text/plain application/x-javascript text/css application/xml;
 #limit_zone  crawler  $binary_remote_addr  10m;
 server
 {
   listen       80;
   server_name  blog.s135.com;
   index index.html index.htm index.php;
   root  /data0/htdocs/blog;
   #limit_conn   crawler  20;    
                            
   location ~ .*\.(php|php5)?$
   {      
     #fastcgi_pass  unix:/tmp/php-cgi.sock;
     fastcgi_pass  127.0.0.1:9000;
     fastcgi_index index.php;
     include fcgi.conf;
   }
   
   location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
   {
     expires      30d;
   }
   location ~ .*\.(js|css)?$
   {
     expires      1h;
   }    
   log_format  access  '$remote_addr - $remote_user [$time_local] "$request" '
             '$status $body_bytes_sent "$http_referer" '
             '"$http_user_agent" $http_x_forwarded_for';
   access_log  /data1/logs/access.log  access;
     }
 server
 {
   listen       80;
   server_name  www.s135.com;
   index index.html index.htm index.php;
   root  /data0/htdocs/www;
   location ~ .*\.(php|php5)?$
   {      
     #fastcgi_pass  unix:/tmp/php-cgi.sock;
     fastcgi_pass  127.0.0.1:9000;
     fastcgi_index index.php;
     include fcgi.conf;
   }
   log_format  wwwlogs  '$remote_addr - $remote_user [$time_local] "$request" '
              '$status $body_bytes_sent "$http_referer" '
              '"$http_user_agent" $http_x_forwarded_for';
   access_log  /data1/logs/wwwlogs.log  wwwlogs;
 }
 server
 {
   listen  80;
   server_name  status.blog.s135.com;
   location / {
   stub_status on;
   access_log   off;
   }
 }
}

  ②、在/usr/local/webserver/nginx/conf/目录中创建fcgi.conf文件:

vi /usr/local/webserver/nginx/conf/fcgi.conf

  输入以下内容:

fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
fastcgi_param  SERVER_SOFTWARE    nginx;
fastcgi_param  QUERY_STRING       $query_string;
fastcgi_param  REQUEST_METHOD     $request_method;
fastcgi_param  CONTENT_TYPE       $content_type;
fastcgi_param  CONTENT_LENGTH     $content_length;
fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
fastcgi_param  REQUEST_URI        $request_uri;
fastcgi_param  DOCUMENT_URI       $document_uri;
fastcgi_param  DOCUMENT_ROOT      $document_root;
fastcgi_param  SERVER_PROTOCOL    $server_protocol;
fastcgi_param  REMOTE_ADDR        $remote_addr;
fastcgi_param  REMOTE_PORT        $remote_port;
fastcgi_param  SERVER_ADDR        $server_addr;
fastcgi_param  SERVER_PORT        $server_port;
fastcgi_param  SERVER_NAME        $server_name;
# PHP only, required if PHP was built with --enable-force-cgi-redirect
fastcgi_param  REDIRECT_STATUS    200;

  5、启动Nginx

ulimit -SHn 51200
/usr/local/webserver/nginx/sbin/nginx

  四、配置开机自动启动Nginx + PHP

vi /etc/rc.local

  在末尾增加以下内容:

ulimit -SHn 51200
/usr/local/webserver/php/sbin/php-fpm start
/usr/local/webserver/nginx/sbin/nginx

  五、优化Linux内核参数

vi /etc/sysctl.conf

  在末尾增加以下内容:

net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_keepalive_time = 300
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.ip_local_port_range = 5000 65000

  使配置立即生效:

/sbin/sysctl -p

  六、在不停止Nginx服务的情况下平滑变更Nginx配置
  (1)、修改/usr/local/webserver/nginx/conf/nginx.conf配置文件后,请执行以下命令检查配置文件是否正确:

/usr/local/webserver/nginx/sbin/nginx -t

  如果屏幕显示以下两行信息,说明配置文件正确:
  the configuration file /usr/local/webserver/nginx/conf/nginx.conf syntax is ok
  the configuration file /usr/local/webserver/nginx/conf/nginx.conf was tested successfully
  (2)、这时,输入以下命令查看Nginx主进程号:

ps -ef | grep "nginx: master process" | grep -v "grep" | awk -F ' ' '{print $2}'

  屏幕显示的即为Nginx主进程号,例如:
  6302
  这时,执行以下命令即可使修改过的Nginx配置文件生效:

kill -HUP 6302

  或者无需这么麻烦,找到Nginx的Pid文件:

kill -HUP `cat /usr/local/webserver/nginx/nginx.pid`

=================================================================
Q:有一点不是很清楚,为什么这次用ea不用xcache呢,是不是xcache不是很稳定?
A:生产环境下,当缓存的PHP二进制文件太多,以至于超过shm_size后,eAccelerator在性能方面要高于Xcache
Q:真有3万的并发吗?能否用PHPINFO页面做一个测试结果?按文中配置完后,并未发现比apache高出这么多。甚至不如apache的perfoce方式快?apache与Nginx真有这么大的差距吗?
A:下面是用100个并发连接分别去压生产环境中同一负载均衡器VIP下、提供相同服务的两台服务器,一台为Nginx,另一台为Apache,Nginx每秒处理的请求数是Apache的两倍多,Nginx服务器的系统负载、CPU使用率远低于Apache:
(你可以将连接数开到10000~30000,去压Nginx和Apache上的phpinfo.php,用浏览器访问Nginx上的phpinfo.php一切正常,而访问Apache服务器的phpinfo.php,则是该页无法显示。)
(webbench 下载地址:http://blog.s135.com/read.php/288.htm)

##### Nginx + PHP #####
[root@localhost webbench-1.5]# webbench -c 100 -t 30 http://192.168.1.21/phpinfo.php
Webbench - Simple Web Benchmark 1.5
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.
Benchmarking: GET http://192.168.1.21/phpinfo.php
100 clients, running 30 sec.
Speed=102450 pages/min, 16490596 bytes/sec.
Requests: 51225 susceed, 0 failed.
top - 14:06:13 up 27 days,  2:25,  2 users,  load average: 14.57, 9.89, 6.51
Tasks: 287 total,   4 running, 283 sleeping,   0 stopped,   0 zombie
Cpu(s): 49.9% us,  6.7% sy,  0.0% ni, 41.4% id,  1.1% wa,  0.1% hi,  0.8% si
Mem:   6230016k total,  2959468k used,  3270548k free,   635992k buffers
Swap:  2031608k total,     3696k used,  2027912k free,  1231444k cached
------------------------------------------------------------------------------------
##### Apache + PHP #####
[root@localhost webbench-1.5]# webbench -c 100 -t 30 http://192.168.1.27/phpinfo.php
Webbench - Simple Web Benchmark 1.5
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.
Benchmarking: GET http://192.168.1.27/phpinfo.php
100 clients, running 30 sec.
Speed=42184 pages/min, 31512914 bytes/sec.
Requests: 21092 susceed, 0 failed.
top - 14:06:20 up 27 days,  2:13,  2 users,  load average: 62.15, 26.36, 13.42
Tasks: 318 total,   7 running, 310 sleeping,   0 stopped,   1 zombie
Cpu(s): 80.4% us, 10.6% sy,  0.0% ni,  7.9% id,  0.1% wa,  0.1% hi,  0.9% si
Mem:   6230016k total,  3075948k used,  3154068k free,   379896k buffers
Swap:  2031608k total,    12592k used,  2019016k free,  1117868k cached

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