http://blog.csdn.net/ning109314/article/details/10411495/
http://unixboy.iteye.com/blog/174173/
jvm修改已经常见的问题
http://blog.csdn.net/unesco3187/article/details/48290469
实例问题
http://pengjiaheng.iteye.com/blog/552456
参数设置：
http://www.cnblogs.com/redcreen/archive/2011/05/04/2037057.html
http://www.cnblogs.com/feiyun126/p/5473683.html
各种数据带的变化
http://zhaoshijie.iteye.com/blog/1969610
、、具体设置centos
http://blog.csdn.net/nimasike/article/details/51534213