VMWare不生成vmem文件的方法是在.vmx文件中增加两行：
1 2 | sched.mem.pshare.enable = "FALSE" mainMem.useNamedFile = "FALSE" |
refer to:
https://blog.csdn.net/shanzhizi/article/details/8293638
http://www.360doc.com/content/15/1120/11/73007_514517328.shtml
http://www.guyiren.com/archives/3210
https://blog.csdn.net/mnmnwq/article/details/79557305
https://blog.51cto.com/kitzk/553493
https://segmentfault.com/q/1010000002954977
https://bbs.kafan.cn/thread-1355085-1-1.html