On 2/23/23 8:24 PM, Dennis Gilmore via devel wrote:
On Tue, Feb 21, 2023 at 2:48 PM Matthew Miller <mattdm(a)fedoraproject.org
I was asked to weigh in on https://pagure.io/releng/issue/7215
priority. Last time we talked about this we didn't really get
... and that ticket hasn't moved, because fixing it isn't trivial.
What we're doing now — as has been the case for several years,
in the previous discussion — has very little end-user value. Also as
in that thread (as in the ticket)... that's unfortunate, because it did
bring some real benefits (and could possibly do even more.)
But, I think it's time to move on. We have ostree and various
container-delta approaches. We should focus on those — and give
sad, fond farewell.
The last updates just now on three different machines gave me
Delta RPMs reduced 284.9 MB of updates to 281.0 MB (1.4% saved)
Delta RPMs reduced 14.3 MB of updates to 3.3 MB (76.9% saved)
and the third had no Delta RPMs
Outside of specific instances, the first or last results are typical. I
think it is time to say goodbye. Times are very different from what they
were when we added support.
Results may be better for applications that require a lot of data
outside the projects binaries, like games related packages as
wesnoth-data, built from the wesnoth main spec file, but not
xonotic-data (1.1G) that is a split from the binaries spec files.
Disabling deltarpms may not change much for a lot of people, but it may
affect a few ones using these games. maybe packagers will be forces to
split their data to different specs, how easy it is depends on the build
process of those games.
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