Mount and Unmount

D. Lam lam.dna at gmail.com
Fri Aug 31 12:53:16 UTC 2007


The intention of a ramdisk is not to use it for swap, but rather as
fast temporary storage.  Very useful as a cache directory, for say
your web browser.
http://en.wikipedia.org/wiki/RAM_disk


On 8/30/07, John L Fjellstad <john-ubuntu at fjellstad.org> wrote:
> "D. Lam" <lam.dna at gmail.com> writes:
>
> > Perhaps he wants a ramdisk?
> > If so, add this to /etc/fstab:
> > /dev/ram        /media/ramdisk  tmpfs,user  rw 0 0
>
> Isn't it pretty silly to put swap on you ramdisk?  Swap is used when you
> run out of memory.  You are using memory to do the swap.  So basically,
> the OS will swap things out of memory and into swap which is already
> memory.  Wouldn't you be better off not using the swap-in-memory, and
> then the OS wouldn't swap in the first place since the memory would
> still be available?
>
> --
> John L. Fjellstad
> web: http://www.fjellstad.org/          Quis custodiet ipsos custodes
>
>
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