Swap Space Management
Solaris 9 supports the concept of virtual memory by using space on a hard disk to temporarily store the contents of memory that is currently not being used. When the contents are needed, the system swaps out some other area of memory into in the swap file, and then swaps in the requested contents.
As long as there is sufficient memory, swap space is not used. As the load on the system increases and resources (mainly memory) are in high demand, swapping may start occurring.
Keep in mind that pseudo-file systems (such as the /tmp TMPFS instance) use memory. As more /tmp space is used, the system will be forced to make more use of the swap space. Heavy use of the /tmp TMPFS instance may cause the system to run out of swap space. ...
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