[coyotos-dev] Impact of checkpointing on mobile systems

[Christopher Nelson]

Actually, Pierre, I think you are somewhat optimistic about how well that
works on Linux or Windows.  Consider paging, for example.  Also, most
systems have the default set to 15 minutes.  It's pretty optimistic to think
that a laptop in use isn't going to need the HDD for *something* over 15
minutes.

On 7/5/07, Pierre THIERRY <nowhere.man at levallois.eu.org> wrote:
>
> It just occurred to me that checkpointing should make impossible something
> that is quite vluable on any mobile system when it operates on battery,
> that is shutting off the disk when it's not needed.
>
> When I read some PDF in the train, for example, while I only use the PDF
> viewer, I think Linux is clever enough to save power as long as it
> doesn't need to page in or out any process.
>
> Do you know how current systems compare on this and if checkpointing
> would really be an issue?
>
> Curiously,
> Pierre
> --
> nowhere.man at levallois.eu.org
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