Nginx + tomcat + Memcached (session sharing)

Last Update:2016-09-27 Source: Internet

Author: User

Tags memcached nginx load balancing

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Nginx + tomcat + Memcached (session sharing)

Experimental topology

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Nginx Implementation Load

Tomcat implements Web functionality

Memcached Implementing session Sharing

Installing Nginx

[Email protected] ~]# yum-y install pcre pcre-devel

[Email protected] ~]# TAR-ZXVF nginx-1.0.5.tar.gz

[Email protected] ~]# CD nginx-1.0.5

[Email protected] nginx-1.0.5]#/configure--prefix=/usr/local/nginx--with-pcre

[[email protected] nginx-1.0.5]# make

[[email protected] nginx-1.0.5]# make install

Configure Nginx

[Email protected] ~]# ls-z/var/ftp/rt.txt

Upstream tomcatgrp {

Server 192.168.170.33:8080;

Server 192.168.170.43:8080;

}

server {

Listen ;

server_name nginx.tutu.com;

Location/{

root HTML;

Index index.html

index.htm;

Proxy_pass http://tomcatgrp;

}

Start Nginx

[Email protected] ~]# /usr/local/nginx/sbin/nginx–t

Nginx: .../usr/local/nginx/conf/nginx.conf syntax is OK

Nginx: .../usr/local/nginx/conf/nginx.conf test is successful

[Email protected] ~]# /usr/local/nginx/sbin/nginx-c/usr/local/nginx/conf/nginx.conf

Installing the JDK

[Email protected] ~]# chmod +x jdk-6u27-linux-i586.bin

[Email protected] ~]#./jdk-6u27-linux-i586.bin

[Email protected] ~]# MV JDK1.6.0_27/USR/LOCAL/JDK

[[email protected] ~]# vim /ETC/BASHRC //define environment variables

Export JAVA_HOME=/USR/LOCAL/JDK

Export Java_bin=/usr/local/jdk/bin

Export path= $JAVA _home/bin: $PATH

Export classpath=.: $JAVA _home/lib/dt.jar: $JAVA _home/lib/tools.jar

Export Java_home java_bin PATH CLASSPATH

[[email protected] ~]# SOURCE/ETC/BASHRC //Initialize environment variable

Verifying the JDK

[Email protected] ~]# java-version

Java Version "1.6.0_27"

Java (TM) SE Runtime Environment (build 1.6.0_27-b07)

Java HotSpot (TM) Client VMs (build 20.2-b06, mixed mode, sharing)

[Email protected] ~]#

Start Tomcat

[[email protected] ~]# /usr/local/tomcat/bin/shutdown.sh //Stop Tomcat

[[email protected] ~]# /usr/local/tomcat/bin/startup.sh //start Tomcat

Using catalina_base:/usr/local/tomcat

Using Catalina_home:/usr/local/tomcat

Using Catalina_tmpdir:/usr/local/tomcat/temp

Using Jre_home:/USR/LOCAL/JDK

Using CLASSPATH:/usr/local/tomcat/bin/bootstrap.jar

[Email protected] ~]# Netstat-utnalp | grep:8080 //listening port

TCP 0 0::: 8080:::* LISTEN 3181/java

[Email protected] ~]#

Configure Authenticated Users

[Email protected] ~]# Vim/usr/local/tomcat/conf/tomcat-users.xml

<tomcat-users>

<user username= "admin" password= "123456" roles= "manager"/> //user identity: Manager

</tomcat-users>

[Email protected] ~]#/usr/local/tomcat/bin/shutdown.sh

[Email protected] ~]#/usr/local/tomcat/bin/startup.sh

Access Tomcat

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Writing Web page files

[Email protected] ~]# vim/usr/local/tomcat/webapps/root/test.jsp

<body bgcolor= "Red" > //Specify page background color

<%= request.getsession (). GetId ()%> //Get SessionID

</center>

</body>

[Email protected] ~]#

Test Nginx Load Balancing

http://192.168.170.33:8080/test.jsp

Each refresh is accessed on a different tomcat, but the session ID is different, and the following resolves the issue with the session ID

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Deploying MSM on Tomcat

[[email protected] session]# ls

Kryo-1.04.jar Memcached-session-manager-1.5.1.jar Msm-kryo-serializer-1.5.1.jar

Kryo-serializers-0.9.jar Memcached-session-manager-tc6-1.5.1.jar Reflectasm-1.01.jar

Memcached-2.5.jar Minlog-1.2.jar

[Email protected] session]# CP *.jar/usr/local/tomcat/lib/

Connection memcached

[Email protected] ~]# vim/usr/local/tomcat/conf/context.xml

</Context>

<manager classname= "De.javakaffee.web.msm.MemcachedBackupSessionManager" memcachednodes= "MemA : 192.168.170.44:11211,memb:192.168.170.49:11211"failovernodes=" MemB " //Specify MemB as standby server

Requesturilgnorepattern= ". *\ (ICO|PNG|GIF|JPG|CSS|JS) $" transcoderfactoryclass= " De.javakaffee.web.msm.serializer.kryo.KryoTranscoderFactory "/> </Context>

[Email protected] ~]#/usr/local/tomcat/bin/shutdown.sh

[Email protected] ~]#/usr/local/tomcat/bin/startup.sh

Installing the Event Library

[Email protected] ~]# TAR–ZXVF libevent-2.0.15-stable.tar.gz

[Email protected] ~]# CD libevent-2.0.15-stable

[Email protected] libevent-2.0.15-stable]#./configure

[[email protected] libevent-2.0.15-stable]# make

[[email protected] libevent-2.0.15-stable]# make install

[Email protected] ~]# echo "/usr/local/lib" >/etc/ld.so.conf.d/libevent.conf

[[email protected] ~]# ldconfig //Update link library

Installing memcached

[Roo[email protected] ~]# tar-zxvf memcached-1.4.5.tar.gz

[Email protected] ~]# CD memcached-1.4.5

[Email protected] memcached-1.4.5]#./configure

[[email protected] memcached-1.4.5]# make

[[email protected] memcached-1.4.5]# make install

[Email protected] ~]#/usr/local/bin/memcached-l 192.168.170.44-p 11211-u root-m 200-c 150-n 10-f 1.5-vvv-d //Start

Test memcached

As can be seen, the implementation of the load while the session ID is the same, the implementation of the session sharing

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This article is from the "Dave-Technology blog" blog, please be sure to keep this source http://davewang.blog.51cto.com/6974997/1857081

Nginx + tomcat + Memcached (session sharing)

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