如果理解这句话
Myth: Always set Solaris swap to 2 x RAM size
This myth is clearly a case of users who have been around since the SunOS 4.x days. Virtual memory today consists of the sum total of physical RAM and swap space on disk. Solaris DOES NOT require any swap space to be configured at all. If you choose this option, once RAM is full, you will not be able to start new processes. There are recommendations for swap space size in the Solaris documentation but the rule of thumb in general is that swap should be configured about 30% of physical RAM.
红色部分，谢谢
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swap空间满了，什么都干不了，你可以往/tmp下make一个大文件试试