2018-10-23 tomcat-cluster和tomcat-session-memcache
1、TomcatCluster(1)httpd+tomcatclusterhttpd:mod_proxy,mod_proxy_http,mod_proxy_balancertomcatcluster:httpconnector(2)httpd+tomcatclusterhttpd:mod_proxy,mod_proxy_ajp,mod_proxy_balancertomcatcluster:ajp