使用memcached缓存tomcat7会话信息
2015-10-28 22:13
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tomcat7 + memcached
全部系统采用centos7.1
各节点配置好hosts文件
cat /etc/hosts
172.16.92.1 node1.centos7.com node1
172.16.92.2 node2.centos7.com node2
172.16.92.3 node3.centos7.com node3
172.16.92.6 node6.centos7.com node6
172.16.92.7 node7.centos7.com node7
node1 --> nginx反向代理至两个tomcat节点
node2, node3 --> tomcat把session信息存储在两个memcached中
node6, node7 --> memcached ()
================ node6 172.16.92.6/16 ===================
mount /dev/cdrom /mnt/cdrom/
yum -y install memcached
systemctl start memcached
netstat -taunl | grep 11211
================ node7 172.16.92.7/16 ===================
mount /dev/cdrom /mnt/cdrom/
yum -y install memcached
systemctl start memcached
netstat -taunl | grep 11211
================ node2 172.16.92.2/16 ===================
mount /dev/cdrom /mnt/cdrom/
yum -y install tomcat
mkdir -pv /data/webapps/ROOT/{lib,classes,META-INF,WEB-INF}
vim /data/webapps/ROOT/index.jsp
<%@ page language="java" %>
<html>
<head><title>TomcatA</title></head>
<body>
<h1><font color="red">TomcatA.centos7.com</font></h1>
<table align="centre" border="1">
<tr>
<td>Session ID</td>
<% session.setAttribute("centos7.com","centos7.com"); %>
<td><%= session.getId() %></td>
</tr>
<tr>
<td>Created on</td>
<td><%= session.getCreationTime() %></td>
</tr>
</table>
</body>
</html>
============================
cd /usr/share/tomcat/lib
wget http://repo1.maven.org/maven2/de/javakaffee/msm/memcached-session-manager-tc7/1.8.3/memcached-session-manager-tc7-1.8.3.jar wget http://repo1.maven.org/maven2/de/javakaffee/msm/memcached-session-manager/1.8.3/memcached-session-manager-1.8.3.jar wget http://repo1.maven.org/maven2/de/javakaffee/msm/msm-javolution-serializer/1.8.3/msm-javolution-serializer-1.8.3.jar wget http://mirrors.ibiblio.org/maven2/net/spy/spymemcached/2.11.1/spymemcached-2.11.1.jar wget http://www.java2s.com/Code/JarDownload/javolution/javolution-5.4.3.1.jar.zip unzip javolution-5.4.3.1.jar.zip
cp /etc/tomcat/server.xml{,.bak}
vim /etc/tomcat/server.xml
<Engine name="Catalina" defaultHost="node2.centos7.com">
<Host name="node2.centos7.com" appBase="/data/webapps"
unpackWARs="true" autoDeploy="true">
<Context path="" docBase="/data/webapps/ROOT" reloadable="true">
<Manager className="de.javakaffee.web.msm.MemcachedBackupSessionManager"
memcachedNodes="n1:172.16.92.6:11211,n2:172.16.92.7:11211"
failoverNodes="n1"
requestUriIgnorePattern=".*\.(ico|png|gif|jpg|css|js)$"
transcoderFactoryClass="de.javakaffee.web.msm.serializer.javolution.JavolutionTranscoderFactory"/>
</Context>
============================
systemctl start tomcat.service
windows浏览器访问 http://172.16.92.2:8080/ TomcatA.centos7.com
Session ID AB327A3B9B86D87D51CB2D31297D2C4A-n2
Created on 1446005990634
================ node3 172.16.92.3/16 ===================
mount /dev/cdrom /mnt/cdrom/
yum -y install tomcat
mkdir -pv /data/webapps/ROOT/{lib,classes,META-INF,WEB-INF}
vim /data/webapps/ROOT/index.jsp
<%@ page language="java" %>
<html>
<head><title>TomcatB</title></head>
<body>
<h1><font color="blue">TomcatB.centos7.com</font></h1>
<table align="centre" border="1">
<tr>
<td>Session ID</td>
<% session.setAttribute("centos7.com","centos7.com"); %>
<td><%= session.getId() %></td>
</tr>
<tr>
<td>Created on</td>
<td><%= session.getCreationTime() %></td>
</tr> </table>
</body>
</html>
============================
cd /usr/share/tomcat/lib
wget http://www.java2s.com/Code/JarDownload/javolution/javolution-5.4.3.1.jar.zip wget http://mirrors.ibiblio.org/maven2/net/spy/spymemcached/2.11.1/spymemcached-2.11.1.jar wget http://repo1.maven.org/maven2/de/javakaffee/msm/msm-javolution-serializer/1.8.3/msm-javolution-serializer-1.8.3.jar wget http://repo1.maven.org/maven2/de/javakaffee/msm/memcached-session-manager/1.8.3/memcached-session-manager-1.8.3.jar wget http://repo1.maven.org/maven2/de/javakaffee/msm/memcached-session-manager-tc7/1.8.3/memcached-session-manager-tc7-1.8.3.jar unzip javolution-5.4.3.1.jar.zip
cp /etc/tomcat/server.xml{,.bak}
vim /etc/tomcat/server.xml
<Engine name="Catalina" defaultHost="node3.centos7.com">
<Host name="node3.centos7.com" appBase="/data/webapps"
unpackWARs="true" autoDeploy="true">
<Context path="" docBase="/data/webapps/ROOT" reloadable="true">
<Manager className="de.javakaffee.web.msm.MemcachedBackupSessionManager"
memcachedNodes="n1:172.16.92.6:11211,n2:172.16.92.7:11211"
failoverNodes="n1"
requestUriIgnorePattern=".*\.(ico|png|gif|jpg|css|js)$"
transcoderFactoryClass="de.javakaffee.web.msm.serializer.javolution.JavolutionTranscoderFactory"/>
</Context>
============================
systemctl start tomcat.service
windows浏览器访问 http://172.16.92.3:8080/ TomcatB.centos7.com
Session ID B22E48AA2A89BCE2BAD4021D9E912E03-n2
Created on 1446005950406
================ node1 172.16.92.1/16 ===================
nginx做tomcat1,2的反向代理和负载均衡
安装epel源
wget -O /etc/yum.repos.d/epel7.repo http://mirrors.aliyun.com/repo/epel-7.repo yum -y install nginx
cd /etc/nginx
cp nginx.conf{,.bak}
vim nginx.conf
:1,$d -- 删除全部内容
:set paste --> 再粘贴如下内容
################
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;
events {
worker_connections 1024;
}
http {
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
access_log /var/log/nginx/access.log main;
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
include /etc/nginx/mime.types;
default_type application/octet-stream;
include /etc/nginx/conf.d/*.conf;
upstream tcsrvs {
server node2.centos7.com:8080;
server node3.centos7.com:8080;
}
server {
listen 80 default_server;
listen [::]:80 default_server;
server_name _;
root /usr/share/nginx/html;
# Load configuration files for the default server block.
include /etc/nginx/default.d/*.conf;
location / {
}
location ~* \.(jsp|do)$ {
proxy_pass http://tcsrvs; }
error_page 404 /404.html;
location = /40x.html {
}
error_page 500 502 503 504 /50x.html;
location = /50x.html {
}
}
}
==================end of nginx.conf
nginx -t
>出现ok和successful相关句子就没问题了
systemctl start nginx.service
ss -tanl | grep 80
windows浏览器访问 http://172.16.92.1/index.jsp, 在下面两个页面轮询,但是会话ID是一样的
-----------------------------------------------------------------------
TomcatA.centos7.com
Session ID DE4FB78238A882475C86E1735779F5C9-n2
Created on 1446006726402
-----------------------------------------------------------------------
TomcatB.centos7.com
Session ID DE4FB78238A882475C86E1735779F5C9-n2
Created on 1446006726402
-----------------------------------------------------------------------
================ node7 172.16.92.6/16 ===================
systemctl stop memcached
windows浏览器访问 http://172.16.92.1/index.jsp, 在下面两个页面轮询,
但是会话ID是一样的, 并且会话ID是从另一个缓存服务器取得.
-----------------------------------------------------------------------
TomcatA.centos7.com
Session ID DE4FB78238A882475C86E1735779F5C9-n1
Created on 1446007835727
-----------------------------------------------------------------------
TomcatB.centos7.com
Session ID DE4FB78238A882475C86E1735779F5C9-n1
Created on 1446007835727
-----------------------------------------------------------------------
全部系统采用centos7.1
各节点配置好hosts文件
cat /etc/hosts
172.16.92.1 node1.centos7.com node1
172.16.92.2 node2.centos7.com node2
172.16.92.3 node3.centos7.com node3
172.16.92.6 node6.centos7.com node6
172.16.92.7 node7.centos7.com node7
node1 --> nginx反向代理至两个tomcat节点
node2, node3 --> tomcat把session信息存储在两个memcached中
node6, node7 --> memcached ()
================ node6 172.16.92.6/16 ===================
mount /dev/cdrom /mnt/cdrom/
yum -y install memcached
systemctl start memcached
netstat -taunl | grep 11211
================ node7 172.16.92.7/16 ===================
mount /dev/cdrom /mnt/cdrom/
yum -y install memcached
systemctl start memcached
netstat -taunl | grep 11211
================ node2 172.16.92.2/16 ===================
mount /dev/cdrom /mnt/cdrom/
yum -y install tomcat
mkdir -pv /data/webapps/ROOT/{lib,classes,META-INF,WEB-INF}
vim /data/webapps/ROOT/index.jsp
<%@ page language="java" %>
<html>
<head><title>TomcatA</title></head>
<body>
<h1><font color="red">TomcatA.centos7.com</font></h1>
<table align="centre" border="1">
<tr>
<td>Session ID</td>
<% session.setAttribute("centos7.com","centos7.com"); %>
<td><%= session.getId() %></td>
</tr>
<tr>
<td>Created on</td>
<td><%= session.getCreationTime() %></td>
</tr>
</table>
</body>
</html>
============================
cd /usr/share/tomcat/lib
wget http://repo1.maven.org/maven2/de/javakaffee/msm/memcached-session-manager-tc7/1.8.3/memcached-session-manager-tc7-1.8.3.jar wget http://repo1.maven.org/maven2/de/javakaffee/msm/memcached-session-manager/1.8.3/memcached-session-manager-1.8.3.jar wget http://repo1.maven.org/maven2/de/javakaffee/msm/msm-javolution-serializer/1.8.3/msm-javolution-serializer-1.8.3.jar wget http://mirrors.ibiblio.org/maven2/net/spy/spymemcached/2.11.1/spymemcached-2.11.1.jar wget http://www.java2s.com/Code/JarDownload/javolution/javolution-5.4.3.1.jar.zip unzip javolution-5.4.3.1.jar.zip
cp /etc/tomcat/server.xml{,.bak}
vim /etc/tomcat/server.xml
<Engine name="Catalina" defaultHost="node2.centos7.com">
<Host name="node2.centos7.com" appBase="/data/webapps"
unpackWARs="true" autoDeploy="true">
<Context path="" docBase="/data/webapps/ROOT" reloadable="true">
<Manager className="de.javakaffee.web.msm.MemcachedBackupSessionManager"
memcachedNodes="n1:172.16.92.6:11211,n2:172.16.92.7:11211"
failoverNodes="n1"
requestUriIgnorePattern=".*\.(ico|png|gif|jpg|css|js)$"
transcoderFactoryClass="de.javakaffee.web.msm.serializer.javolution.JavolutionTranscoderFactory"/>
</Context>
============================
systemctl start tomcat.service
windows浏览器访问 http://172.16.92.2:8080/ TomcatA.centos7.com
Session ID AB327A3B9B86D87D51CB2D31297D2C4A-n2
Created on 1446005990634
================ node3 172.16.92.3/16 ===================
mount /dev/cdrom /mnt/cdrom/
yum -y install tomcat
mkdir -pv /data/webapps/ROOT/{lib,classes,META-INF,WEB-INF}
vim /data/webapps/ROOT/index.jsp
<%@ page language="java" %>
<html>
<head><title>TomcatB</title></head>
<body>
<h1><font color="blue">TomcatB.centos7.com</font></h1>
<table align="centre" border="1">
<tr>
<td>Session ID</td>
<% session.setAttribute("centos7.com","centos7.com"); %>
<td><%= session.getId() %></td>
</tr>
<tr>
<td>Created on</td>
<td><%= session.getCreationTime() %></td>
</tr> </table>
</body>
</html>
============================
cd /usr/share/tomcat/lib
wget http://www.java2s.com/Code/JarDownload/javolution/javolution-5.4.3.1.jar.zip wget http://mirrors.ibiblio.org/maven2/net/spy/spymemcached/2.11.1/spymemcached-2.11.1.jar wget http://repo1.maven.org/maven2/de/javakaffee/msm/msm-javolution-serializer/1.8.3/msm-javolution-serializer-1.8.3.jar wget http://repo1.maven.org/maven2/de/javakaffee/msm/memcached-session-manager/1.8.3/memcached-session-manager-1.8.3.jar wget http://repo1.maven.org/maven2/de/javakaffee/msm/memcached-session-manager-tc7/1.8.3/memcached-session-manager-tc7-1.8.3.jar unzip javolution-5.4.3.1.jar.zip
cp /etc/tomcat/server.xml{,.bak}
vim /etc/tomcat/server.xml
<Engine name="Catalina" defaultHost="node3.centos7.com">
<Host name="node3.centos7.com" appBase="/data/webapps"
unpackWARs="true" autoDeploy="true">
<Context path="" docBase="/data/webapps/ROOT" reloadable="true">
<Manager className="de.javakaffee.web.msm.MemcachedBackupSessionManager"
memcachedNodes="n1:172.16.92.6:11211,n2:172.16.92.7:11211"
failoverNodes="n1"
requestUriIgnorePattern=".*\.(ico|png|gif|jpg|css|js)$"
transcoderFactoryClass="de.javakaffee.web.msm.serializer.javolution.JavolutionTranscoderFactory"/>
</Context>
============================
systemctl start tomcat.service
windows浏览器访问 http://172.16.92.3:8080/ TomcatB.centos7.com
Session ID B22E48AA2A89BCE2BAD4021D9E912E03-n2
Created on 1446005950406
================ node1 172.16.92.1/16 ===================
nginx做tomcat1,2的反向代理和负载均衡
安装epel源
wget -O /etc/yum.repos.d/epel7.repo http://mirrors.aliyun.com/repo/epel-7.repo yum -y install nginx
cd /etc/nginx
cp nginx.conf{,.bak}
vim nginx.conf
:1,$d -- 删除全部内容
:set paste --> 再粘贴如下内容
################
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;
events {
worker_connections 1024;
}
http {
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
access_log /var/log/nginx/access.log main;
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
include /etc/nginx/mime.types;
default_type application/octet-stream;
include /etc/nginx/conf.d/*.conf;
upstream tcsrvs {
server node2.centos7.com:8080;
server node3.centos7.com:8080;
}
server {
listen 80 default_server;
listen [::]:80 default_server;
server_name _;
root /usr/share/nginx/html;
# Load configuration files for the default server block.
include /etc/nginx/default.d/*.conf;
location / {
}
location ~* \.(jsp|do)$ {
proxy_pass http://tcsrvs; }
error_page 404 /404.html;
location = /40x.html {
}
error_page 500 502 503 504 /50x.html;
location = /50x.html {
}
}
}
==================end of nginx.conf
nginx -t
>出现ok和successful相关句子就没问题了
systemctl start nginx.service
ss -tanl | grep 80
windows浏览器访问 http://172.16.92.1/index.jsp, 在下面两个页面轮询,但是会话ID是一样的
-----------------------------------------------------------------------
TomcatA.centos7.com
Session ID DE4FB78238A882475C86E1735779F5C9-n2
Created on 1446006726402
-----------------------------------------------------------------------
TomcatB.centos7.com
Session ID DE4FB78238A882475C86E1735779F5C9-n2
Created on 1446006726402
-----------------------------------------------------------------------
================ node7 172.16.92.6/16 ===================
systemctl stop memcached
windows浏览器访问 http://172.16.92.1/index.jsp, 在下面两个页面轮询,
但是会话ID是一样的, 并且会话ID是从另一个缓存服务器取得.
-----------------------------------------------------------------------
TomcatA.centos7.com
Session ID DE4FB78238A882475C86E1735779F5C9-n1
Created on 1446007835727
-----------------------------------------------------------------------
TomcatB.centos7.com
Session ID DE4FB78238A882475C86E1735779F5C9-n1
Created on 1446007835727
-----------------------------------------------------------------------
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