Security updates should be delta updates. If the update is too large,
some people might not download and install it. Feature updates are not
that important.
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Windows and android have delta updates.
https://en.wikipedia.org/wiki/Delta_update
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https://bugs.launchpad.net/bugs/21837
Title:
debdelta integration / zsync su
Blocking points raised are:
- We need to be able to validate that the delta is correct before using
it. We could
+ provide delta indices like we have packages - this does require pdiff support
so we don't have to download the entire index everytime, as that would make
deltas pointless for small
Work on delta debs was being done in
https://wiki.debian.org/Teams/Dpkg/Spec/DeltaDebs amongst other places,
but it kind of stopped a bit. Deltas are getting harder and harder to
justify with increasing speeds and less and less data caps, but it's
certainly something I'm interested in developing.
Oh, also building the deltas (which is fairly expensive), and which
deltas to build are important points to consider.
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https://bugs.launchpad.net/bugs/21837
Title:
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