Re: What is the limit size of tmpfs /dev/shm ?

[H. Peter Anvin]

Hugh Dickins wrote:
> Don't forget that tmpfs overflows into swap, so you could save money
> by adding adding more swap and cutting down on the RAM: though of
> course that will perform very poorly once it's actually using the
> swap, probably not the direction you want to go in.

It can still outperform conventional disk filesystems, however, mostly 
because it doesn't have to worry one iota about consistency.

	-hpa
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