1. 架构说明: nginx + 4个tomcat
nginx作为前端代理,并且肩负负载均衡的作用,多个tomcat可以解决单台服务器高并发的性能问题,至于后端放几个tomcat要看你的服务器有多大内存,我的服务器是4核的CPU,8G内存。
2. nginx安装简单说明:
编译参数:
--prefix=/opt/mysql/ --enable-assembler --with-extra-charsets=complex \
--enable-thread-safe-client --with-big-tables --with-readline --with-ssl --with-embedded-server \
--enable-local-infile --with-plugins=innobase
可以根据自己的环境修改配置
nginx.conf配置:
user www;
worker_processes 8;
error_log /opt/logs/nginx/default/error/log;
pid logs/nginx.pid;
worker_rlimit_nofile 51200;
events {
use epoll;
worker_connections 1024; #有的设置到65535
}
http {
include mime.types;
default_type application/octet-stream;
server_names_hash_bucket_size 128;
client_header_buffer_size 128k;
large_client_header_buffers 8 128k;
client_max_body_size 200m;
client_body_buffer_size 128k;
proxy_connect_timeout 600;
proxy_read_timeout 600;
proxy_send_timeout 600;
proxy_buffer_size 16k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
log_format main '$remote_addr $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent"';
access_log /opt/logs/nginx/default/access/log main;
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
fastcgi_connect_timeout 300;
fastcgi_send_timeout 300;
fastcgi_read_timeout 300;
fastcgi_buffer_size 64k;
fastcgi_buffers 4 64k;
fastcgi_busy_buffers_size 128k;
fastcgi_temp_file_write_size 128k;
gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_comp_level 8;
gzip_http_version 1.1;
gzip_types text/plain application/xml;
gzip_vary on;
proxy_temp_path /opt/nginx_cache/proxy_temp_path;
proxy_cache_path /opt/nginx_cache/proxy_cache_path levels=1:2 keys_zone=cache_one:200m inactive=1d max_size=30g;
upstream testservers {
server 127.0.0.1:8080 weight=1 max_fails=2 fail_timeout=30s;
server 127.0.0.1:8081 weight=1 max_fails=2 fail_timeout=30s;
server 127.0.0.1:8082 weight=1 max_fails=2 fail_timeout=30s;
server 127.0.0.1:8083 weight=1 max_fails=2 fail_timeout=30s;
}
server {
listen 80;
server_name test.com;
index index.html index.htm index.php index.jsp;
charset utf-8;
location ~ .*\.(js|jpg|JPG|jpeg|JPEG|bmp|gif|GIF)$ {
proxy_cache cache_one;
proxy_cache_valid 200 304 1h;
proxy_cache_valid 301 302 1m;
proxy_cache_valid any 1m;
proxy_cache_key $host$uri$is_args$args;
proxy_pass http://testervers;
proxy_redirect default;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $http_host;
proxy_set_header Range $http_range;
proxy_next_upstream http_502 http_504 error timeout invalid_header;
}
location / {
proxy_pass http://testservers;
proxy_redirect default;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $http_host;
proxy_set_header Range $http_range;
proxy_next_upstream http_502 http_504 error timeout invalid_header;
}
# 对管理后台进行访问限制
location ^~/manager/ {
allow 你的IP;
deny all;
proxy_pass http://testservers;
proxy_redirect default;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $http_host;
proxy_set_header Range $http_range;
proxy_next_upstream http_502 http_504 error timeout invalid_header;
}
}
}
}
从上面配置可以看出,nginx会把http请求均匀分发给8080,8081,8082,8083几个端口的后端服务,实现负载均衡的效果。
3. Tomcat 配置
server.xml配置,由于一个<Service></Service>会启动一个实例,所以我们这里要启动4个tomcat实例就设置4个Service :
<?xml version='1.0' encoding='utf-8'?>
<Server port="8005" shutdown="SHUTDOWN">
<Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />
<Listener className="org.apache.catalina.core.JasperListener" />
<Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
<Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />
<GlobalNamingResources>
<Resource name="UserDatabase" auth="Container"
type="org.apache.catalina.UserDatabase"
description="User database that can be updated and saved"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
pathname="conf/tomcat-users.xml" />
</GlobalNamingResources>
<Service name="Catalina0">
<Connector port="8080" protocol="HTTP/1.1"
minSpareThreads="100"
acceptCount="1000"
connectionTimeout="50000"
maxThreads="3000"
disableUploadTimeout="true"
URIEncoding="UTF-8"
redirectPort="8443" />
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
<Engine name="Catalina" defaultHost="localhost">
<Realm className="org.apache.catalina.realm.LockOutRealm">
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
resourceName="UserDatabase"/>
</Realm>
<Host name="localhost" appBase="/opt/www/webapps"
unpackWARs="true" autoDeploy="true">
</Host>
</Engine>
</Service>
<Service name="Catalina1">
<Connector port="8081" protocol="HTTP/1.1"
minSpareThreads="100"
acceptCount="1000"
connectionTimeout="50000"
maxThreads="3000"
disableUploadTimeout="true"
URIEncoding="UTF-8"
redirectPort="8444" />
<Connector port="8010" protocol="AJP/1.3" redirectPort="8444" />
<Engine name="Catalina" defaultHost="localhost">
<Realm className="org.apache.catalina.realm.LockOutRealm">
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
resourceName="UserDatabase"/>
</Realm>
<Host name="localhost" appBase="/opt/www/webapps"
unpackWARs="true" autoDeploy="true">
</Host>
</Engine>
</Service>
<Service name="Catalina2">
<Connector port="8082" protocol="HTTP/1.1"
minSpareThreads="100"
acceptCount="1000"
connectionTimeout="50000"
maxThreads="3000"
disableUploadTimeout="true"
URIEncoding="UTF-8"
redirectPort="8445" />
<Connector port="8011" protocol="AJP/1.3" redirectPort="8445" />
<Engine name="Catalina" defaultHost="localhost">
<Realm className="org.apache.catalina.realm.LockOutRealm">
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
resourceName="UserDatabase"/>
</Realm>
<Host name="localhost" appBase="/opt/www/webapps"
unpackWARs="true" autoDeploy="true">
</Host>
</Engine>
</Service>
<Service name="Catalina3">
<Connector port="8083" protocol="HTTP/1.1"
minSpareThreads="100"
acceptCount="1000"
connectionTimeout="50000"
maxThreads="3000"
disableUploadTimeout="true"
URIEncoding="UTF-8"
redirectPort="8446" />
<Connector port="8011" protocol="AJP/1.3" redirectPort="8446" />
<Engine name="Catalina" defaultHost="localhost">
<Realm className="org.apache.catalina.realm.LockOutRealm">
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
resourceName="UserDatabase"/>
</Realm>
<Host name="localhost" appBase="/opt/www/webapps"
unpackWARs="true" autoDeploy="true">
</Host>
</Engine>
</Service>
</Server>
然后可以设置tomcat为Linux的服务,以便可以自动启动,创建权限为755的配置文件:/etc/init.d/tomcat,内容如下:
#!/bin/bash
#
# tomcatd This shell script takes care of starting and stopping
# standalone tomcat
#
# chkconfig: 345 91 10
# description: tomcat service
# processname: tomcat
# config file:
# Source function library.
. /etc/rc.d/init.d/functions
# Source networking configuration.
. /etc/sysconfig/network
# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0
prog=tomcat
export JAVA_HOME=/opt/jdk
export CATALINA_HOME=/opt/tomcat
export CATALINA_OPTS='-Xms2048m -Xmx2048m' #初始化JVM内存可以自己根据情况设置
PATH=$PATH:$JAVA_HOME/bin
STARTUP=$CATALINA_HOME/bin/startup.sh
SHUTDOWN=$CATALINA_HOME/bin/shutdown.sh
if [ ! -f $CATALINA_HOME/bin/startup.sh ]
then
echo "CATALINA_HOME for tomcat not available"
exit
fi
start() {
# Start daemons.
echo -n $"Startting tomcat service: "
daemon $STARTUP
RETVAL=$?
return $RETVAL
}
stop() {
# Stop daemons.
echo -n $"Stoping tomcat service: "
$SHUTDOWN
RETVAL=$?
return $RETVAL
}
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
restart|reload)
stop
start
RETVAL=$?
;;
status)
status $prog
RETVAL=$?
;;
*)
echo $"Usage: $0 {start|stop|restart|status}"
exit 1
esac
exit $RETVAL
添加服务:chkconfig --add tomcat
设置自动启动:chkconfig tomcat on
另外,需要修改tomcat/bin/startup.sh,在#!/bin/sh下面添加:CATALINA_OPTS='-Xms2048m -Xmx2048m'
4. Tomcat全局filter解决乱码问题:
代码就不写了,说下过程,filter代码网上到处都是,我要说的在tomcat/conf/web.xml中增加filter配置,和在单独应用中增加一样,然后把filter的class打包jar文件放在tomcat/lib目录下即可。
分享到:
相关推荐
搭建高性能大并发大型网站架构 教程.zip 1.服务器操作系统用64位的CentOS 2.mysql数据库 3.nosql redis缓存 4.web网站代码 5.nginx 6.apache php 7.tomcat java 8.squid前台静态资源缓存 9.CDN服务器 10.固态硬盘+...
目的:搭建高可用、高性能的jsp集群 二、初始化系统 #init system 系统环境: CentOS 5.5(定制安装) 组件: Base Development Libraries Development Tools Editors Text-based Internet ./init_system.sh #此脚本...
5.3 Tomcat/ Resin JAVA服务器… 5.3.1 Tomcat安装配置… 5.3.2 Tomcat性能优化……… 5.3.3 Resin安装配置… 5.3.4 Resin性能优化…… 5.3.5 Resin多实例配置…… 5.4 Nginx Tomcat动静分离…… 5.5 LNAMP高性能...
5. 3 Tomcat/Resin JAVA服务器 84 5.3. 1 Tomcat安装配置 84 5.3. 2 Tomcat性能优化 85 5.3. 3 Resin安装配置 87 5.3. 4 Resin性能优化 88 5.3. 5 Resin多实例配置 89 5. 4 Nginx Tomcat动静分离 90 5. 5 LNAMP高...
tomcat是一个被广泛使用的java web容器,各种调优数不胜数,由于tomcat主要运行jsp等动态页面,所以其设计主要是针对动态页面进行优化,而对静态文件的处理效率并不高。 很多时候工程师更愿意使用nginx或者apache...
但通常情况下,由于Java Bean是被容器所创建(如Tomcat)的,所以Java Bean应具有一个无参的构造器,另外,通常Java Bean还要实现Serializable接口用于实现Bean的持久性。Java Bean实际上相当于微软COM模型中的本地...
但通常情况下,由于Java Bean是被容器所创建(如Tomcat)的,所以Java Bean应具有一个无参的构造器,另外,通常Java Bean还要实现Serializable接口用于实现Bean的持久性。Java Bean实际上相当于微软COM模型中的本地...
├─补充1:拔高课程(Redis3.0持久化、集群、MySQL5.6优化、Tomcat7优化) │ │ 打开必读.txt │ │ │ ├─课前资料 │ │ ├─MySQL5.6优化 │ │ │ MySql5.6性能优化.docx │ │ │ │ │ ├─Redis集群 │ ...
1.2 高性能、高负载门户网站架构剖析 9 1.2.1 服务器操作系统的选择 10 1.2.2 dns服务器bind 16 1.2.3 cache服务器squid 18 1.2.4 带负载均衡的http服务器apache 19 1.2.5 支持集群功能的web服务器tomcat 21 ...
│ 第30节:把应用部署到Linux服务器上.avi │ 第31节:Nginx简介、安装和基本运行.avi │ 第32节:Nginx的进程结构、基本配置.avi │ 第33节:Nginx常用核心模块指令.avi │ 第34节:Nginx的Http模块部分的指令.avi...
如果使用的不是J2EE服务器 ... by baozilaji 2009-04-23 回复 (1)首页 新闻 论坛 问答 知识库 博客 圈子 招聘 服务 搜索 Java Web Ruby Python 敏捷 MySQL 普元 Dorado 金蝶中间件 图书 广告...
JBOSS_HOME\server\default\deploy\jbossweb-tomcat55.sar\server.xml 6、修改IP地址后不能登录QC 解决办法: 在C:\Program Files\Mercury\Quality Center\jboss\server\default\deploy目录下找到10sabin.war ...