1、-Xms64m -Xmx128m
2、配置文件的修改
http://wenku.baidu.com/link?url=spM-qCe0qHdhiykzwuzp-vBtcQrVtAzYiWe8uexW1lP0NOduW5z9TAEu7KwT4llx2M_XYwzMZKYCiK-cmLOIga0zcW36ODkQn_zLo8UWjtu
-vmargs -Xmx1024m -XX:MaxPermSize=512m -XX:ReservedCodeCacheSize=64m