[ILUG] Thoughts on USB as swap space

[Pádraig Brady]

Ruairi Hickey wrote:
> On Wednesday 02 January 2008 10:15:08 Pádraig Brady wrote:
>> Niall O Broin wrote:
>>> How much swap is needed is an easy calculation:
>>>
>>> swap space = required memory space - physical memory
>>>
>>>
>>> The tricky part is figuring out the value of "required memory space" :-)
>>>
>>> on a machine with 4GB of RAM, for desktop use, you probably hardly need
>>> any swap, but I'd give it 1GB just to have some.
> 
> If the machine is going to suspend to disk, which uses swap as a store, your 
> swap size needs to be at least = ram size (prob. +some also)...

True. I never use suspend to disk though because disks are so slow.
This is another situation where SSDs will help.

thanks,
Pádraig.