一、 负载均衡、反向代理
环境搭建: nginx服务器192.168.246.7 tomcat 1服务器192.168.246.8
tomcat 2服务器192.168.246.9
[root@zzcentos1 ~]#systemctl stop firewalld
[root@zzcentos1 ~]#setenforce 0
[root@zzcentos1 ~]#yum install epel-release.noarch -y
[root@zzcentos1 ~]#yum install nginx -y
[root@zzcentos1 ~]#rpm -ql nginx
[root@zzcentos1 ~]#systemctl start nginx
[root@zzcentos1 ~]#systemctl status nginx
[root@zzcentos1 ~]#vim /etc/nginx/nginx.conf
upstream tomcat {
server 192.168.246.8:8080;
server 192.168.246.9:8080;
}
location ~* \.jsp$ {
proxy_pass http://tomcat;
}
7-2 tomcat 搭建、写入主页面
[root@zzcentos2 local]#cd /usr/local/tomcat/webapps/
[root@zzcentos2 webapps]#ls
docs examples host-manager manager ROOT
[root@zzcentos2 webapps]#cd /usr/local/tomcat/webapps/ROOT/
[root@zzcentos2 ROOT]#ls
asf-logo-wide.svg bg-middle.png bg-upper.png index.jsp tomcat.css tomcat.png tomcat.svg
bg-button.png bg-nav.png favicon.ico RELEASE-NOTES.txt tomcat.gif tomcat-power.gif WEB-INF
[root@zzcentos2 ROOT]#mv index.jsp index.jsp.bak
[root@zzcentos2 ROOT]#ls
asf-logo-wide.svg bg-middle.png bg-upper.png index.jsp.bak tomcat.css tomcat.png tomcat.svg
bg-button.png bg-nav.png favicon.ico RELEASE-NOTES.txt tomcat.gif tomcat-power.gif WEB-INF
[root@zzcentos2 ROOT]#rz -E
rz waiting to receive.
[root@zzcentos2 ROOT]#ls
asf-logo-wide.svg bg-nav.png index.jsp tomcat.css tomcat-power.gif
bg-button.png bg-upper.png index.jsp.bak tomcat.gif tomcat.svg
bg-middle.png favicon.ico RELEASE-NOTES.txt tomcat.png WEB-INF
[root@zzcentos2 ROOT]#cat index.jsp
<%@ page import="java.util.*" %>
<!DOCTYPE html>
<html lang="en">
<head>
? <meta charset="UTF-8">
? <title>tomcat test</title>
</head>
<body>
<div>On <%=request.getServerName() %></div>
<div><%=request.getLocalAddr() + ":" + request.getLocalPort() %></div>
<div>SessionID = <span style="color:blue"><%=session.getId() %></span></div>
<%=new Date()%>
</body>
</html>
[root@zzcentos2 ROOT]#
7-3 tomcat搭建、写入主页面
二、会话绑定
方法一:IP hash
检测:
方法二:
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
channelSendOptions="8">
<Manager className="org.apache.catalina.ha.session.DeltaManager"
expireSessionsOnShutdown="false"
notifyListenersOnReplication="true"/>
<Channel className="org.apache.catalina.tribes.group.GroupChannel">
<Membership className="org.apache.catalina.tribes.membership.McastService"
address="228.0.0.4"
port="45564"
frequency="500"
dropTime="3000"/>
<Receiver className="org.apache.catalina.tribes.transport.nio.NioReceiver"
address="auto"
port="4000"
autoBind="100"
selectorTimeout="5000"
maxThreads="6"/>
<Sender className="org.apache.catalina.tribes.transport.ReplicationTransmitter">
<Transport className="org.apache.catalina.tribes.transport.nio.PooledParallelSender"/>
</Sender>
<Interceptor className="org.apache.catalina.tribes.group.interceptors.TcpFailureDetector"/>
<Interceptor className="org.apache.catalina.tribes.group.interceptors.MessageDispatchInterceptor"/>
</Channel>
<Valve className="org.apache.catalina.ha.tcp.ReplicationValve"
filter=""/>
<Valve className="org.apache.catalina.ha.session.JvmRouteBinderValve"/>
<Deployer className="org.apache.catalina.ha.deploy.FarmWarDeployer"
tempDir="/tmp/war-temp/"
deployDir="/tmp/war-deploy/"
watchDir="/tmp/war-listen/"
watchEnabled="false"/>
<ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/>
</Cluster>
子配置文件:
子配置文件配置:
检测: