Memory usage

[Richard Gaskin]

J. Landman Gay wrote:
> Can I safely assume that if I load a whole bunch of stacks into RAM,
> that virtual memory will take care of memory usage for me?

Yes, but with two caveats:

1. Swap space is limited, and the OS uses it a lot.  In most cases it'll 
do what you need, but it's possible to meet limits.

2. Swap space is slow.  If the foreground app dips into swap space the 
user will encounter a noticeable performance hit.  At best, things will 
momentarily hang; at worst, it'll hang long enough to invoke the 
spinning beach back for a few seconds until the swap is done.

--
  Richard Gaskin
  Fourth World
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