NGINX + Tomcat + Memcached 集群搭建

环境说明：CentOS 6.5 + Java7 + Tomcat7 + Memcached 1.6.5 + Nginx1.6.2

环境搭建概述

1. 下载并安装Java 7

JDK7 下载地址： http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html

安装命令如下

# sudo rpm -ivh jdk-7u76-linux-x64.rpm

注：安装完成后使用 java -version 和 javac -version 测试安装结果，如有需要配置JAVA 环境变量

本人测试实际安装过程中，无需配置Java环境变量，安装完即可正常工作

如需配置，请参考 http://www.cnblogs.com/rilley/archive/2012/02/02/2335395.html

2. 下载并安装Tomcat 7

可参考 http://www.cnblogs.com/zhoulf/archive/2013/02/04/2891633.html

3. Install Nginx

在安装Ngin前，需要先安装PCRE, PCRE 安装时又需要 g++, gcc的支持

相应的版本可选择相当较新的版本，

可参考

http://greatwqs.iteye.com/blog/1024373

http://www.kankanews.com/ICkengine/archives/103726.shtml

Nginx 安装后，如出现问题可参考

http://www.linuxidc.com/Linux/2012-05/60003.htm

nginx 配置参考：

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    #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  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        listen       80;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
            root   html;
            index  index.html index.htm;
        }

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
        #    fastcgi_pass   127.0.0.1:9000;
        #    fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
        #    include        fastcgi_params;
        #}

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

}

4.Install memcached

下载地址及安装方法，请参照官网描述 http://www.memcached.org/downloads

同时也可参考 http://www.cnblogs.com/yixiwenwen/p/3574137.html

5.Tomcat and Memcached

必备的JAR包：

memcached-session-manager-1.6.5.jar、memcached-session-manager-tc7-1.6.5(tomcat6 请选tc6)、javolution-5.5.1.jar、msm-javolution-serializer-1.6.5.jar、 spymemcached-2.10.3.jar

这些JAR都可以在：http://code.google.com/p/memcached-session-manager/downloads/list 这里下载到，网速慢，如果失败，请多试几次。

couchbase-client-1.4.4.jar

下载地址：http://packages.couchbase.com/clients/java/1.4.4/Couchbase-Java-Client-1.4.4.zip 这个JAR在这个zip文件中

把准备好的jar包放到所有Tomcat 的 lib 目录.

配置所有Tomcat的context.xml的文件：在Context标签内加入如下内容

<Manager className="de.javakaffee.web.msm.MemcachedBackupSessionManager" 
            memcachedNodes="n1:localhost:11211"  
            requestUriIgnorePattern=".*/.(png|gif|jpg|css|js)$"   
            sessionBackupAsync="false"   
            sessionBackupTimeout="100"  
            transcoderFactoryClass="de.javakaffee.web.msm.serializer.javolution.JavolutionTranscoderFactory"  
            copyCollectionsForSerialization="false"/>

NGINX + Tomcat + Memcached 集群搭建

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