On Thu, Feb 25, 2010 at 4:56 AM, Michal Suchanek <[email protected]>wrote:
> Note also that the hibernation feature is as fast as it is only thanks
> to paging which allows shrinking the amount of data which is going to
> be saved. It does not save the whole memory and certainly does not
> load the whole disk.
>
Actually, current hibernation mechanisms simply copy the entire memory to
disk without regard to dirty bits. Reloading this dump is generally
*slower*than EROS/CapROS/Coyotos restart from checkpoint.
> I don't see how you implement persistence without a persistent store.
> Paging is state of the art way of accessing these stores.
Persistence clearly requires a persistent store, but paging is largely
irrelevant. In the world today, the overwhelming majority of persistence is
handled through databases or files.
shap
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