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Nginx+Tomcat负载均衡群集

发表于 2022-1-25 18:13:24 | 查看: 201| 回复: 0

Nginx+Tomcat负载均衡群集 nginx处理静态 tomcat处理动态合并为动静分离（前后端分离）Tomcat重要目录 bin：存放启动和关闭Tomcat脚本 conf：存放Tomcat不同的配置文件 doc：存放Tomcat文档 lib/japser/common：存放Tomcat运行需要的库文件 logs：存放Tomcat执行时的LOG文件 src：存放Tomcat的源代码 webapps：Tomcat的主要Web发布目录实验前置知识点:Nginx静态处理优势

1.Nginx处理静态页面的效率远高于Tomcat的处理能力 2.如果Tomcat的请求量为1000次，则Nginx的请求量为6000次 3.Tomcat每秒的吞吐量为0 6M，Nginx的每秒吞吐量为3.6M 4.Nginx处理静态资源的能力是Tomcat处理的6倍，优势可见一斑动静分离原理：服务端接收来自客户端的请求中，既有静态资源也有动态资源

环境准备： nginx：192.168.18.147----CentOS 7-1 Tomcat 1：192.168.18.128----CentOS 7-2 Tomcat 2：129.168.18.148----CentOS 7-3 客户端：192.168.18.129----Win 7Tomcat 1服务器CentOS 7-2的操作：[root@localhost ~]# hostnamectl set-hostname tomcat1[root@localhost ~]# su[root@tomcat1 ~]# systemctl stop firewalld.service [root@tomcat1 ~]# setenforce 0[root@tomcat1 ~]# mkdir /aaa[root@tomcat1 ~]# mount.cifs //192.168.10.189/rpm /aaaPassword for root@//192.168.10.189/rpm: [root@tomcat1 ~]# cd /aaa/tomcat/[root@tomcat1 tomcat]# lsapache-tomcat-7.0.54.tar.gz jdk-8u91-linux-x64.tar.gzapache-tomcat-8.5.16.tar.gz nginx-1.12.0.tar.gzjdk-7u65-linux-x64.gz nginx-1.6.0.tar.gz[root@tomcat1 tomcat]# tar zxvf jdk-8u91-linux-x64.tar.gz -C /usr/local/#设置环境变量：[root@tomcat1 tomcat]# vim /etc/profile #按大写字母G到末行，按小写字母o在下行插入以下内容：export JAVA_HOME=/usr/local/jdk1.8.0_91export JRE_HOME=${JAVA_HOME}/jreexport CLASSPATH=.

{JAVA_HOME}/lib

{JRE_HOME}/libexport PATH=${JAVA_HOME}/bin

PATH#修改完成后，按Esc退出插入模式，输入:wq保存退出[root@tomcat1 tomcat]# source /etc/profile[root@tomcat1 tomcat]# lsapache-tomcat-7.0.54.tar.gz jdk-8u91-linux-x64.tar.gzapache-tomcat-8.5.16.tar.gz nginx-1.12.0.tar.gzjdk-7u65-linux-x64.gz nginx-1.6.0.tar.gz[root@tomcat1 tomcat]# tar zxvf apache-tomcat-8.5.16.tar.gz -C /usr/local/[root@tomcat1 tomcat]# cd /usr/local/[root@tomcat1 local]# lsapache-tomcat-8.5.16 etc include lib libexec sharebin games jdk1.8.0_91 lib64 sbin src[root@tomcat1 local]# mv apache-tomcat-8.5.16/ tomcat[root@tomcat1 local]# lsbin games jdk1.8.0_91 lib64 sbin srcetc include lib libexec share tomcat[root@tomcat1 local]# ln -s /usr/local/tomcat/bin/startup.sh /usr/local/bin/[root@tomcat1 local]# ln -s /usr/local/tomcat/bin/shutdown..sh /usr/local/bin/[root@tomcat1 local]# mkdir -pv /web/webapp1mkdir: 已创建目录 "/web"mkdir: 已创建目录 "/web/webapp1"[root@tomcat1 local]# cd /web/webapp1/[root@tomcat1 webapp1]# vim index.jsp<%@ page language="java" import="java.until.*" pageEncoding="UTF-8"%><html> <head> <title>JSP test1 page</title></head> <body> <% out.println("Welcome ACCP Web");%> </body></html>#添加完成后输入:wq保存退出[root@tomcat1 webapp1]# vim /usr/local/tomcat/conf/server.xml #输入/Host查找到以下内容<Host name="localhost" appBase="webapps"unpackWARs="true" autoDeploy="true">#在此行下插入，添加站点目录<Context docBase="/web/webapp1" path="" reloadable="false"></Context>#添加完成后输入:wq保存退出[root@tomcat1 webapp1]# startup.sh Using CATALINA_BASE: /usr/local/tomcatUsing CATALINA_HOME: /usr/local/tomcatUsing CATALINA_TMPDIR: /usr/local/tomcat/tempUsing JRE_HOME: /usr/local/jdk1.8.0_91/jreUsing CLASSPATH: /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jaTomcat started.到宿主机中的浏览器输入：192.168.18.128:8080 可以看到：Welcome KGC Web

Tomcat 2服务器CentOS 7-4的操作：[root@localhost ~]# hostnamectl set-hostname tomcat2[root@localhost ~]# su[root@tomcat1 ~]# systemctl stop firewalld.service [root@tomcat1 ~]# setenforce 0[root@tomcat1 ~]# mkdir /aaa[root@tomcat1 ~]# mount.cifs //192.168.10.189/rpm /aaaPassword for root@//192.168.10.189/rpm: [root@tomcat1 ~]# cd /aaa/tomcat/[root@tomcat1 tomcat]# lsapache-tomcat-7.0.54.tar.gz jdk-8u91-linux-x64.tar.gzapache-tomcat-8.5.16.tar.gz nginx-1.12.0.tar.gzjdk-7u65-linux-x64.gz nginx-1.6.0.tar.gz[root@tomcat1 tomcat]# tar zxvf jdk-8u91-linux-x64.tar.gz -C /usr/local/#设置环境变量：[root@tomcat1 tomcat]# vim /etc/profile #按大写字母G到末行，按小写字母o在下行插入以下内容：export JAVA_HOME=/usr/local/jdk1.8.0_91export JRE_HOME=${JAVA_HOME}/jreexport CLASSPATH=.

{JAVA_HOME}/lib

{JRE_HOME}/libexport PATH=${JAVA_HOME}/bin

PATH#修改完成后，按Esc退出插入模式，输入:wq保存退出[root@tomcat1 tomcat]# source /etc/profile[root@tomcat1 tomcat]# lsapache-tomcat-7.0.54.tar.gz jdk-8u91-linux-x64.tar.gzapache-tomcat-8.5.16.tar.gz nginx-1.12.0.tar.gzjdk-7u65-linux-x64.gz nginx-1.6.0.tar.gz[root@tomcat1 tomcat]# tar zxvf apache-tomcat-8.5.16.tar.gz -C /usr/local/[root@tomcat1 tomcat]# cd /usr/local/[root@tomcat1 local]# lsapache-tomcat-8.5.16 etc include lib libexec sharebin games jdk1.8.0_91 lib64 sbin src[root@tomcat1 local]# mv apache-tomcat-8.5.16/ tomcat[root@tomcat1 local]# lsbin games jdk1.8.0_91 lib64 sbin srcetc include lib libexec share tomcat[root@tomcat1 local]# ln -s /usr/local/tomcat/bin/startup.sh /usr/local/bin/[root@tomcat1 local]# ln -s /usr/local/tomcat/bin/shutdown..sh /usr/local/bin/[root@tomcat1 local]# mkdir -pv /web/webapp1mkdir: 已创建目录 "/web"mkdir: 已创建目录 "/web/webapp1"[root@tomcat1 local]# cd /web/webapp1/[root@tomcat1 webapp1]# vim index.jsp<%@ page language="java" import="java.until.*" pageEncoding="UTF-8"%><html> <head> <title>JSP test1 page</title></head> <body> <% out.println("Welcome KGC Web");%> </body></html>#添加完成后输入:wq保存退出[root@tomcat1 webapp1]# vim /usr/local/tomcat/conf/server.xml #输入/Host查找到以下内容<Host name="localhost" appBase="webapps"unpackWARs="true" autoDeploy="true">#在此行下插入，添加站点目录<Context docBase="/web/webapp1" path="" reloadable="false"></Context>#添加完成后输入:wq保存退出[root@tomcat1 webapp1]# startup.sh Using CATALINA_BASE: /usr/local/tomcatUsing CATALINA_HOME: /usr/local/tomcatUsing CATALINA_TMPDIR: /usr/local/tomcat/tempUsing JRE_HOME: /usr/local/jdk1.8.0_91/jreUsing CLASSPATH: /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jaTomcat started.到宿主机中的浏览器输入：192.168.18.148:8080 可以看到：Welcome ACCP Web

2.再次刷新可以可到：Welcome ACCP Web

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