eg: 如果修改jvm 中内存之类参数 （express 7.0 version 为例）
login websphere web mangager console http://localhost:9060/ibm/console
->Servers->Server Types->WebSphere application servers->
Application servers > server1 > Process definition > Java Virtual Machine
Initial heap size
Maximum heap size
对应的修改配置文件为：{IBM_Home}\profiles\AppSrv01\config\cells\vm-test2003Node03Cell\nodes\vm-test2003Node03\servers\server1\sever.xml
对应标签 <jvmEntries/>