On Sat, Feb 9, 2019 at 9:29 AM Dridi Boukelmoune
<dridi.boukelmo...@gmail.com> wrote:
>
> > FWIW, openQA tests have been failing relatively frequently with
> > timeouts while refreshing repos or 503s from mirrormanager for the last
> > few weeks. I'm pretty sure this didn't used to be anything like as
> > common...
>
> Whether it's dnf upgrade of my system or mock builds, both problems
> have been increasingly frustrating me by orders of magnitude.
> Especially for mock build, I had to make sure to --offline a given
> build after a successful repo refresh & rpm download because it became
> ridiculously hard to get mock --buildsrpm and mock --rebuild to
> succeed in a row!
>
> And my internet access has been flaky for "the last few weeks" too so
> I thought it was causing the failures, but then even on a good
> connection it kept happening.

That's exactly my experience, as well.

First I've put it off as "my internet connection being unreliable".
But, since almost everything works fine, but mock builds continue to fail
(mostly because of "Failed to synchronize cache for repo 'foo'", where
foo is either fedora, updates, or rawhide),
I now think this really is some infra problem.

Also, I think some of the problems that happen in COPR are caused by
its very burst-y behavior:

https://copr.fedorainfracloud.org/status/stats/

For example, today, some of my builds were pending for over 7 hours,
during which time almost no running build completed, but pending tasks
blew up from the average 0-10 to over 140, since no pending tasks
moved to running at all, during that time, from what I can tell.
Then, a lot of builds (about 35) were moved to the "running" state at
once, and some of them failed with connectivity issues, again - which
doesn't surprise me, when there are possibly hundreds of mock builds
triggered by COPR at about the same time, obviously overwhelming the
system serving the repositories.

Fabio


> Dridi
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