Improving the offline updates user experience

[Reindl Harald]

Am 23.10.2014 um 12:43 schrieb Richard Hughes:
> On 23 October 2014 09:56, Miroslav Suchý <msuchy at redhat.com> wrote:
>> The upgrade can last one hour (more or less).
>
> An hour?! Most of my offline updates take a few tens of seconds with
> F21. Is this on fairly up-to-date SSD hardware? Are any specific
> packages taking longer than the others?

an hour was surely exaggerated

but there was not so long ago a bug in some package updateing caches 
which took on a hyperfast RAID10 machine with enabled barriers up to 10 
minutes for a ordinary KDE update

before it got fixid without barriers (which are are default) a few 
seconds - you don't know if and how often such things may get triggered 
inside a update transaction (like the useless ldconfig and systemd 
reloads after every single related package)

# https://bugzilla.redhat.com/show_bug.cgi?id=1052173#c32
export PKGSYSTEM_ENABLE_FSYNC=0

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