Linux下Nginx+Tomcat整合的安装与配置(优化)

 
原帖:http://zyjustin9.iteye.com/blog/2017414
目的: nginx处理用户请求的静态页面,tomcat处理用户请求jsp页面,来实现动态分离,nginx处理静态页面效率远高于tomcat,这样一来就能更好的提高并发,处理性能。

准备软件:

下载jdk1.7:http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html

下载tomcat8.0:http://tomcat.apache.org/download-80.cgi

下载nginx1.4.4:http://nginx.org/en/download.html

1、JDK配置

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[root@localhost ~] # tar xvfjdk-7u45-linux-x64.tar.gz
[root@localhost ~] # mv jdk1.7.0_45/ /usr/local/jdk
[root@localhost ~] # vi /etc/profile
JAVA_HOME= /usr/local/jdk
PATH=$PATH:$JAVA_HOME /bin
CLASSPATH=.:$JAVA_HOME /lib :$JAVA_HOME /jre/lib
export JAVA_HOME PATHCLASSPATH
[root@localhost ~] # source /etc/profile
[root@localhost ~] # java -version #显示版本说明成功
java version "1.7.0_45"

2、Tomcat配置

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[root@localhost ~] # tar zxvfapache-tomcat-8.0.0-RC5.tar.gz
[root@localhost ~] # mv apache-tomcat-8.0.0-RC5/usr/local/tomcat

#默认tomcat是root身份运行的,这样不安全,我们设置来用普通用户

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[root@localhost ~] # groupadd tomcat
[root@localhost ~] # useradd -g tomcat tomcat
[root@localhost ~] # passwd tomcat
[root@localhost ~] # chown tomcat.tomcat -R /usr/local/tomcat
[root@localhost ~] # su - tomcat /usr/local/tomcat/bin/startup.sh
[root@localhost ~] # echo "su - tomcat /usr/local/tomcat/bin/startup.sh" >> /etc/rc.local #开机启动

3、Nginx安装配置

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[root@localhost ~] # groupaddnginx
[root@localhost ~] # useradd -gnginx -s /sbin/nologin nginx
[root@localhost ~] # yuminstall –y make zlib-devel openssl-devel pcre-devel
[root@localhost ~] # tar zxvfnginx-1.4.4.tar.gz
[root@localhost ~] # cdnginx-1.4.4
[root@localhost nginx-1.4.4] # ./configure --prefix=/usr/local/nginx --with-http_ssl_module --with-http_gzip_static_module--with-http_stub_status_module
[root@localhost nginx-1.4.4] # make && make install

#主配置文件配置

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[root@localhost ~] # vi /usr/local/nginx/conf/nginx.conf
user nginx;
worker_processes 1;
error_log logs /error .log;
pid logs /nginx .pid;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application /octet-stream ;
#日志格式定义
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;
sendfile on;
keepalive_timeout 65;
#gzip压缩功能设置
gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_http_version 1.0;
gzip_comp_level 2;
gzip_types text /plain application /x-javascripttext/css application /xml ;
gzip_vary on;
server {
listen 80;
server_name www. test .com;
location / {
#jsp网站程序根目录,一般nginx与tomcat在同一个目录
root /usr/local/tomcat/webapps/ROOT ;
index index.html index.jsp index.html;
}
location ~ .*.jsp$ {
index index.jsp;
proxy_pass http: //127 .0.0.1:8080; #来自jsp请求交给tomcat处理
proxy_set_header Host $host;
proxy_set_header X-Real-IP$remote_addr;
proxy_set_header X-Forwarded-For$proxy_add_x_forwarded_for;
proxy_redirect off;
proxy_set_header Host $host; #后端的Web服务器可以通过X-Forwarded-For获取用户真实IP
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 10m; #允许客户端请求的最大单文件字节数
client_body_buffer_size 128k; #缓冲区代理缓冲用户端请求的最大字节数,
proxy_connect_timeout 90; #nginx跟后端服务器连接超时时间(代理连接超时)
proxy_read_timeout 90; #连接成功后,后端服务器响应时间(代理接收超时)
proxy_buffer_size 4k; #设置代理服务器(nginx)保存用户头信息的缓冲区大小
proxy_buffers 6 32k; #proxy_buffers缓冲区,网页平均在32k以下的话,这样设置
proxy_busy_buffers_size 64k; #高负荷下缓冲大小(proxy_buffers*2)
proxy_temp_file_write_size 64k; #设定缓存文件夹大小,大于这个值,将从upstream服务器传
}
location ~ .*\.(gif|jpg|png|bmp|swf)$ #由nginx处理静态页面
{
expires 30d; #使用expires缓存模块,缓存到客户端30天
}
location ~ .*\.( jsp|js|css)?$
{
expires 1d;
}
error_page 404 /404 .html; #错误页面
error_page 500 502 503 504 /50x .html;
location = /50x .html {
root html;
}
}
}

#编写nginx启动、停止、重启等SysV管理脚本,方便使用

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[root@localhost ~] # vi /etc/init.d/nginx
#!/bin/bash
# chkconfig: 345 99 20
# description: Nginx servicecontrol script
PROG= "/usr/local/nginx/sbin/nginx"
PIDF= "/usr/local/nginx/logs/nginx.pid"
case "$1" in
start)
$PROG
echo "Nginx servicestart success."
;;
stop)
kill -s QUIT $( cat $PIDF)
echo "Nginx service stopsuccess."
;;
restart)
$0 stop
$0 start
;;
reload)
kill -s HUP $( cat $PIDF)
echo "reload Nginx configsuccess."
;;
*)
echo "Usage: $0{start|stop|restart|reload}"
exit 1
esac

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[root@localhost ~] # chmod +x /etc/init.d/nginx
[root@localhost ~] # service nginx restart
[root@localhost ~] # chkconfig --add nginx
[root@localhost ~] # chkconfig nginx on

4、性能测试

下面我们使用的ab压力测试工具,模拟发起一次1万的并发请求,使用的index.html页面是百度首页代码

Nginx测试

Tomcat测试

主要参数说明:

Requests per second:平均每秒处理事务数

Time per request:平均事务响应时间

Tranfer rate:平均每秒吞吐量

经上面测试得出:nginx每秒能请求6000次,而tomcat只请求1000次。

nginx每秒吞吐量是3.6M,tomcat每秒吞吐量0.6M

由此看来,nginx是tomcat6倍的处理能力,如果网站程序静态页面多的话,就应该考虑使用Nginx与Tomcat整合来使用。

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