Improving the offline updates user experience

Reindl Harald h.reindl at
Fri Oct 24 11:04:00 UTC 2014

Am 24.10.2014 um 12:02 schrieb Mathieu Bridon:
> On Fri, 2014-10-24 at 12:00 +0200, Miroslav Suchý wrote:
>> I'm not updating daily. I upgraded my machine IIRC 2-3 weeks ago. So lets benchmark it and provide you real data.
>> My machine have classic magnetic disk, however in SW RAID1.
>>    Timing cached reads:   12236 MB in  2.00 seconds = 6124.59 MB/sec
>>    Timing buffered disk reads: 412 MB in  3.00 seconds = 137.12 MB/sec
>> Fedora 21, 16 GB RAM (2GB free), 8 CPU cores, swap available but none used
>> I run "dnf upgrade" and I have been offered 853 packages and 1.3 GB to download.
>> Download lasted 3mins 20secs.
>> Then installation started and since beginning "transaction started" till the end lasted exactly 53 minutes.
>> No specific package is blocking the process, dnf was chewing packages one by one in steady pace. Veryfing phase lasted
>> ~4 minutes, so it means approximately 3 second per package, which is what I am seeing on screen.
>> And this is nothing exceptional. I see similar times across all machines I maintain. When I'm updating box of my mother
>> (old EeeBox, updating aprox every 3 months) then the time is usually 3 hours (however ~1 hour is just download phase).
> More than anything, doesn't this just shows that we simply push way too
> many updates in Fedora?


* first:  the above is Rawhide/Alpha
* second: the reason i run Fedora and not Debian/RHEL is fast updates
* third:  nobody should apply updates every 3 weeks
           but that above is Alpha and so no "production" machine

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