terracotta3.7.7+apche2.2+tomcat6集群配置

terracotta是一家美国公司做的集群框架。是分布式缓存线性扩展平台。它巧妙得隐藏了多个分布式JVM带来的复杂性，使得java对象能够透明得在多个JVM集群中进行分享和同步，并能够进行持久化。
terracotta是怎么样的框架这里不多做叙述。大家可以百度了解。
下面开始集群的配置。
需要用到的软件如，terracotta3.7.7，apche2.2X(32),tomcat6(32).环境windows7
先配置apche跟tomcat集群。
首先下载好apche2.2X(32)。按流程装好apche
然后下载tomcat6(免安装).
下载负载均衡插件tomcat-connectors-1.2.40-windows-i386-httpd-2.0.x 注意tomcat 版本和apache版本
下载好后解压tomcat-connectors-1.2.40-windows-i386-httpd-2.0.x 将里面的mod_jk.so 放到apached的modules下面。
之后新建mod_jk.conf
内容如下：
LoadModule jk_module "D:/Program Files (x86)/Apache Group/Apache2.2/modules/mod_jk.so"
JkWorkersFile "conf/workers.properties"
JkMount /*.jsp controller
JkMount /*.do controller
然后将mod_jk.conf文件复制到apche conf文件夹下面
之后新建workers.properties文件
内容如下
    #server
    worker.list = controller
    #========tomcat1========
    worker.tomcat1.port=7010
    worker.tomcat1.host=localhost
    worker.tomcat1.type=ajp13
    worker.tomcat1.lbfactor = 1
    #========tomcat2========
    worker.tomcat2.port=7011
    worker.tomcat2.host=localhost
    worker.tomcat2.type=ajp13
    worker.tomcat2.lbfactor = 1
    #========controller,负载均衡控制器========
    worker.controller.type=lb
    worker.controller.balanced_workers=tomcat1,tomcat2
    worker.controller.sticky_session=true
    #worker.controller.sticky_session_force=1
    #worker.controller.sticky_session=1
然后也将此文件复制到apche conf文件夹下面。
在apche conf文件夹下面找到httpd.conf
在最下面加上这句include "D:\Program Files (x86)\Apache Group\Apache2.2\conf\mod_jk.conf"
apche 配置基本完成
tomcat主要是配置conf下面的service文件修改端口等。如ajp访问协议主要是联通apche跟tomcat的。
修改service文件如下
tomcat1
    <?xml version='1.0' encoding='utf-8'?>
    
    
    <Server port="8006" shutdown="SHUTDOWN">

      
      <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />
      
      <Listener className="org.apache.catalina.core.JasperListener" />
      
      <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
      
      <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
      <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />


      <GlobalNamingResources>

        <Resource name="UserDatabase" auth="Container"
                  type="org.apache.catalina.UserDatabase"
                  description="User database that can be updated and saved"
                  factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
                  pathname="conf/tomcat-users.xml" />
      </GlobalNamingResources>


      <Service name="Catalina">


        <Connector port="8081" protocol="HTTP/1.1"
                   connectionTimeout="20000"
                   redirectPort="8445" />



        <Connector port="7010" protocol="AJP/1.3" redirectPort="8445" />





        <Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat1">



     <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>



          
          <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
                 resourceName="UserDatabase"/>


          <Host name="localhost" appBase="webapps"
                unpackWARs="true" autoDeploy="true"
                xmlValidation="false" xmlNamespaceAware="false">





          </Host>
        </Engine>
      </Service>
    </Server>
tomcat2
    <?xml version='1.0' encoding='utf-8'?>
    
    
    <Server port="8006" shutdown="SHUTDOWN">

      
      <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />
      
      <Listener className="org.apache.catalina.core.JasperListener" />
      
      <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
      
      <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
      <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />


      <GlobalNamingResources>

        <Resource name="UserDatabase" auth="Container"
                  type="org.apache.catalina.UserDatabase"
                  description="User database that can be updated and saved"
                  factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
                  pathname="conf/tomcat-users.xml" />
      </GlobalNamingResources>


      <Service name="Catalina">


        <Connector port="8081" protocol="HTTP/1.1"
                   connectionTimeout="20000"
                   redirectPort="8445" />



        <Connector port="8010" protocol="AJP/1.3" redirectPort="8445" />





        <Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat1">



     <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>



          
          <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
                 resourceName="UserDatabase"/>


          <Host name="localhost" appBase="webapps"
                unpackWARs="true" autoDeploy="true"
                xmlValidation="false" xmlNamespaceAware="false">





          </Host>
        </Engine>
      </Service>
    </Server>

tomcat2

<?xml version='1.0' encoding='utf-8'?>


    <Server port="8007" shutdown="SHUTDOWN">

      
      <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />
      
      <Listener className="org.apache.catalina.core.JasperListener" />
      
      <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
      
      <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
      <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />


      <GlobalNamingResources>

        <Resource name="UserDatabase" auth="Container"
                  type="org.apache.catalina.UserDatabase"
                  description="User database that can be updated and saved"
                  factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
                  pathname="conf/tomcat-users.xml" />
      </GlobalNamingResources>


      <Service name="Catalina">




        <Connector port="8083" protocol="HTTP/1.1"
                   connectionTimeout="20000"
                   redirectPort="8446" />






        <Connector port="7011" protocol="AJP/1.3" redirectPort="8446" />





        <Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat2">


         <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>



          <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
                 resourceName="UserDatabase"/>


          <Host name="localhost" appBase="webapps"
                unpackWARs="true" autoDeploy="true"
                xmlValidation="false" xmlNamespaceAware="false">




          </Host>
        </Engine>
      </Service>
    </Server>
自此集群已经配置好。
现在开始配置terracotta
首先配置tc-config文件
内容如下
    <?xml version="1.0" encoding="UTF-8" ?>
    <tc:tc-config xmlns:tc="http://www.terracotta.org/config"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://www.terracotta.org/schema/terracotta-6.xsd">

      <tc-properties>
        <property name="l2.nha.dirtydb.autoDelete" value="true"/>
        <property name="l1.cachemanager.enabled" value="true"/>
        <property name="logging.maxLogFileSize" value="1024"/>
      </tc-properties>


      <system>
        <configuration-model>development</configuration-model>
      </system>


      <servers>

        <server host="127.0.0.1" name="localhost" bind="0.0.0.0">




          <statistics>/opt/terracotta/server-statistics</statistics>
          <dso-port bind="127.0.0.1">9510</dso-port>
          <jmx-port bind="127.0.0.1">9520</jmx-port>
          <l2-group-port bind="127.0.0.1">9530</l2-group-port>
          <authentication/>


          <dso>


            <client-reconnect-window>120</client-reconnect-window>


            <persistence>

              <mode>temporary-swap-only</mode>
            </persistence>


            <garbage-collection>

              <enabled>true</enabled>

              <verbose>false</verbose>

              <interval>3600</interval>
            </garbage-collection>

          </dso>
        </server>

        <mirror-groups>

          <mirror-group group-name="group1">
            <members>
              <member>localhost</member>
            </members>

            <ha>
              <mode>networked-active-passive</mode>
              <networked-active-passive>
                <election-time>5</election-time>
              </networked-active-passive>
            </ha>
           </mirror-group>
        </mirror-groups>
        <ha>
          <mode>networked-active-passive</mode>
          <networked-active-passive>
            <election-time>5</election-time>
          </networked-active-passive>
        </ha>
        <update-check>
          <enabled>true</enabled>
          <period-days>10</period-days>
        </update-check>
      </servers>
      <clients>
        <logs>logs-%i</logs>
      </clients>

    </tc:tc-config>
然后在terracotta解压下的bin文件下面把tc-config.xml复制过来。
然后将terracotta session文件夹下面 terracotta-session-1.3.7跟common下面的
terracotta-toolkit-1.6-runtime-5.7.0复制到tomcat, lib下面。
然后cmd 命令窗口cd到terracotta3.7.7-bin下执行tim-get.bat tc-config.xml
之后执行start-tc-server.bat
会看到如下

然后在需要应用的tomcat的应用下面的META-INF 新建context.xml 并将一下内容复制进去
<?xml version="1.0" encoding="UTF-8"?>
<Context>
    <Valve className="org.terracotta.session.TerracottaTomcat60xSessionValve" tcConfigUrl="127.0.0.1:9510" />
</Context>

之后分别启动两个tomcat,apche

测试页面见附件
有一点要提醒的是请注意jdk跟tomcat版本对应。
本文过程经过实践。也参考了csdn的其他博友的文章。
参考过如博友飞*天的文章。

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