Michał Górny <[email protected]> writes:

> However, it may be actually beneficial to provide other durations, like
> weekly deltas. In my tests, the daily updates for this week summed up
> to almost 50M while the weekly was barely 20M.

Is there a way to merge the deltas without the original squashfs? how
fast is the delta generation? It could be done on the server side on the
fly and cached.

Or we provide a set of 16,8,4,2,1 day deltas, then 

 16d: 1 piece needed
 8d: 2 needed
 4d: 4 needed
 2d: 8 needed
 1d: 16 needed

The total of 31 pieces will cover a month (31 days) with at most 5
deltas to be downloaded.

e.g. If the system is 19 days old, then we download a 1d, 2d, and 16d.

Cheers,
Benda

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