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apache2-tomcat7-cluster

Apache、Tomcat7集群session共享及负载均衡

1. 使用mod_jk方式

环境：httpd-2.4.18-win64+tomcat-7.0.X+mod_jk-1.2.41-win64

1.1 windows下Apache下载及安装

https://www.apachelounge.com/download/

1.2 安装Apache为系统服务

  • 安装服务
httpd.exe -k install -n "Apache2.4" -f "C:\Apache24\conf\httpd.conf"
  • 卸载服务
httpd.exe -k uninstall -n "Apache2.4"

参考文章：https://httpd.apache.org/docs/2.4/platform/windows.html#winsvc

1.3 Apache+mod_jk整合配置

  • 拷贝mod_jk.so到C:\Apache24\modules目录

  • 编辑C:\Apache24\conf\httpd.conf 在文件末尾添加

Include conf/mod_jk.conf
  • 创建C:\Apache24\conf\mod_jk.conf
LoadModule jk_module modules/mod_jk.so
JkWorkersFile conf/workers.properties
JkLogFile logs/mod_jk.log
JKLogLevel info
JKLogStampFormat "[%a %b %d %H:%M:%S %Y]"
JKOptions +ForwardKeySize +ForwardURICompat -ForwardDirectories
JKRequestLogFormat "%w %V %T %q %U %R"
JKMount /* loadbalancer
JkMount /jkmanager/* jkstatus

<Location /jkmanager/>
    JkMount jkstatus
    Order deny,allow
    Deny from all
    Allow from 127.0.0.1
</Location>
  • 创建C:\Apache24\conf\workers.properties
worker.list=tomcat1,tomcat2,loadbalancer,jkstatus

# tomcat1
# tomcat的server.xml文件中AJP/1.3协议的端口号，默认是8009
worker.tomcat1.port=8009
worker.tomcat1.host=192.168.0.201
worker.tomcat1.type=ajp13
worker.tomcat1.lbfactor=1 #负载均衡权重值（1-100）

# 其他配置参数
# worker.tomcat1.cachesize=100
# worker.tomcat1.cachesize_timeout=600
# worker.tomcat1.reclycle_timeout=300
# worker.tomcat1.socket_keepalive=1
# worker.tomcat1.socket_timeout=300
# worker.tomcat1.local_worker=1
# worker.tomcat1.retries=3

# tomcat2
# tomcat的server.xml文件中AJP/1.3协议的端口号
worker.tomcat2.port=9009
worker.tomcat2.host=192.168.0.201
worker.tomcat2.type=ajp13
worker.tomcat2.lbfactor=1 #负载均衡权重值（1-100）

# load balancer worker
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers=tomcat1,tomcat2
worker.loadbalancer.sticky_session=false
worker.loadbalancer.sticky_session_force=true

# Add the status worker to the worker list
worker.jkstatus.type=status

1.4 配置tomcat/conf/server.xml文件

  • tomcat1
<Server port="8005" shutdown="SHUTDOWN">
<Connector port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" />
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
<Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat1">
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
            channelSendOptions="8"> 
            <Manager className="org.apache.catalina.ha.session.BackupManager"
              expireSessionsOnShutdown="false"
              notifyListenersOnReplication="true"
              mapSendOptions="6"/> 
            <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="127.0.0.1"
                      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.MessageDispatch15Interceptor"/> 
            </Channel> 
            <Valve className="org.apache.catalina.ha.tcp.ReplicationValve" filter=""/> 
            <Valve className="org.apache.catalina.ha.session.JvmRouteBinderValve"/> 
            <ClusterListener className="org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener"/> 
            <ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/> 
</Cluster>
  • tomcat2
<Server port="9005" shutdown="SHUTDOWN">
<Connector port="9080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" />
<Connector port="9009" protocol="AJP/1.3" redirectPort="8443" />
<Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat2">
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
            channelSendOptions="8"> 
            <Manager className="org.apache.catalina.ha.session.BackupManager"
              expireSessionsOnShutdown="false"
              notifyListenersOnReplication="true"
              mapSendOptions="6"/> 
            <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="127.0.0.1"
                      port="5000"
                      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.MessageDispatch15Interceptor"/> 
            </Channel> 
            <Valve className="org.apache.catalina.ha.tcp.ReplicationValve" filter=""/> 
            <Valve className="org.apache.catalina.ha.session.JvmRouteBinderValve"/> 
            <ClusterListener className="org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener"/> 
            <ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/> 
</Cluster>

1.5 在web.xml的<web-app></web-app>中添加<distributable/>

1.6 查看集群状态

http://127.0.0.1/jkmanager/

1.7 参考文章

https://httpd.apache.org/docs/2.4/platform/windows.html#winsvc

https://zybuluo.com/Fancy-Bai/note/118782

https://zybuluo.com/Fancy-Bai/note/118883

http://xiexiaojun.blog.51cto.com/2305291/1717850

http://blog.csdn.net/chaijunkun/article/details/6987443

http://my.oschina.net/heartdong/blog/98416

2. 使用mod_proxy方式

2.1 修改Apache配置文件（Apache24\conf\httpd.conf），加载以下模块

LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
LoadModule proxy_balancer_module modules/mod_proxy_balancer.so
LoadModule proxy_connect_module modules/mod_proxy_connect.so
LoadModule proxy_http_module modules/mod_proxy_http.so
LoadModule slotmem_shm_module modules/mod_slotmem_shm.so
LoadModule lbmethod_bybusyness_module modules/mod_lbmethod_bybusyness.so
LoadModule lbmethod_byrequests_module modules/mod_lbmethod_byrequests.so
LoadModule lbmethod_bytraffic_module modules/mod_lbmethod_bytraffic.so
LoadModule status_module modules/mod_status.so

2.2 配置（Apache24\conf\httpd.conf）

  • 使用mod_proxy_http
ProxyPass "/" "balancer://httpproxy/" stickysession=JSESSIONID|jsessionid nofailover=On
<Proxy "balancer://httpproxy/">
  BalancerMember "http://127.0.0.1:8080/" loadfactor=1
  BalancerMember "http://127.0.0.1:9080/" loadfactor=1
  ProxySet lbmethod=byrequests
</Proxy>

<Location "/balancer-manager">
  SetHandler balancer-manager
  Allow from 127.0.0.1
</Location>
  • 使用mod_proxy_ajp
ProxyPass "/" "balancer://ajpproxy/"
<Proxy "balancer://ajpproxy/">
  BalancerMember "ajp://127.0.0.1:8009/" loadfactor=1 route=tomcat1
  BalancerMember "ajp://127.0.0.1:9009/" loadfactor=1 route=tomcat2
</Proxy>

<Location "/balancer-manager">
  SetHandler balancer-manager
  Allow from 127.0.0.1
</Location>

2.3 修改tomcat/conf/server.xml

tomcat1

<Server port="8005" shutdown="SHUTDOWN">
<Connector port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" />
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
<Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat1">
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
            channelSendOptions="8"> 
            <Manager className="org.apache.catalina.ha.session.BackupManager"
              expireSessionsOnShutdown="false"
              notifyListenersOnReplication="true"
              mapSendOptions="6"/> 
            <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="127.0.0.1"
                      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.MessageDispatch15Interceptor"/> 
            </Channel> 
            <Valve className="org.apache.catalina.ha.tcp.ReplicationValve" filter=""/> 
            <Valve className="org.apache.catalina.ha.session.JvmRouteBinderValve"/> 
            <ClusterListener className="org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener"/> 
            <ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/> 
</Cluster>

tomcat2

<Server port="9005" shutdown="SHUTDOWN">
<Connector port="9080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" />
<Connector port="9009" protocol="AJP/1.3" redirectPort="8443" />
<Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat2">
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
            channelSendOptions="8"> 
            <Manager className="org.apache.catalina.ha.session.BackupManager"
              expireSessionsOnShutdown="false"
              notifyListenersOnReplication="true"
              mapSendOptions="6"/> 
            <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="127.0.0.1"
                      port="5000"
                      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.MessageDispatch15Interceptor"/> 
            </Channel> 
            <Valve className="org.apache.catalina.ha.tcp.ReplicationValve" filter=""/> 
            <Valve className="org.apache.catalina.ha.session.JvmRouteBinderValve"/> 
            <ClusterListener className="org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener"/> 
            <ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/> 
</Cluster>

2.4 查看balancer-manager

http://127.0.0.1/balancer-manager

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Apache、Tomcat7集群session共享及负载均衡

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