增强WebLogic session的粘度

The Dynamic Server List

When you use the WebLogicCluster parameter in your httpd.conf or weblogic.conf file to specify a list of WebLogic Servers, the plug-in uses that list as a starting point for load balancing among the members of the cluster. After the first request is routed to one of these servers, a dynamic server list is returned containing an updated list of servers in the cluster. The updated list adds any new servers in the cluster and deletes any that are no longer part of the cluster or that have failed to respond to requests. This list is updated automatically with the HTTP response when a change in the cluster occurs.

试着关闭了DynamicServerList，重启apache，系统页面响应飞快。

我是这样认为的，WebLogic使用了round-robin affinity算法，同时关闭了DynamicServerList就意味着apache不再将请求路由到别的server上。

虚拟主机的配置如下：

<VirtualHost 192.168.0.8:9999>
    ServerName 192.168.0.8:9999
    DocumentRoot /CNC/
    CustomLog "|/usr/local/sbin/cronolog /CNC/ApacheLog/bssCluster/%w/access_9999_log" combined
    <IfModule mod_weblogic.c>
        WebLogicCluster 192.168.0.17:8002,192.168.0.18:8004                                     
        MatchExpression *.jsp
        MatchExpression *.htm
        MatchExpression *.html
        Idempotent ON
        KeepAliveEnabled ON
        DynamicServerList OFF
    </IfModule>
</VirtualHost>