MySQL auto-extending data file

http://blog.csdn.net/hw_libo/article/details/39215723

http://blog.sina.com.cn/s/blog_5037eacb0102vjmt.html

http://www.tuicool.com/articles/ZVFVja

http://www.cnblogs.com/sagech/p/5207303.html

http://blog.itpub.net/22664653/viewspace-734994/