https://bugs.kde.org/show_bug.cgi?id=458462

            Bug ID: 458462
           Summary: Please reduce need for repo refreshes / speed them up
           Product: Discover
           Version: 5.25.4
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: discover
          Assignee: plasma-b...@kde.org
          Reporter: kitt...@gmail.com
                CC: aleix...@kde.org
  Target Milestone: ---

SUMMARY
Discover updates repo caches every time it is started. This becomes a problem
because the process is painfully slow, even if it was already done a couple
minutes before.
Please, reduce the number of caches updates or at least speed them up because
otherwise the whole experience is compromised.


STEPS TO REPRODUCE
1. Open Discover in any way: click on updates notification, search for a new
app from krunner, or simply click the launcher
2. wait 
3. wait

OBSERVED RESULT
You basically end up waiting, on whatever page, for at least 30 seconds.

EXPECTED RESULT
Discover should refresh caches at most once/twice a day, just like DNF does.
And when it does, it should take no more than its CLI backend. Take for example
the use case of searching for an app in krunner: which is wonderful, works like
a charm but then you have to wait a minute or so before the install button
becomes active, and this kinda ruins the game.
Also the progress bar should be reworked as it sits on 75% right away, and
basically makes the whole process scaled to the range 75-100%.

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 35
KDE Plasma Version: 5.25.4
KDE Frameworks Version: 5.96.0
Qt Version: 5.15.2
Kernel Version: 5.19.4-100.fc35.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-8550U CPU @ 1.80GHz
Memory: 15.4 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics 620
Manufacturer: Dell Inc.
Product Name: Inspiron 5570

ADDITIONAL INFORMATION
- Using Discover in Kubuntu does not bring in such issues
- Using pkcon refresh/update from CLI does not take as much time as Discover
does
- Same story with flatpak backend

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