[cfe-dev] Upcoming upgrade of LLVM buildbot

Galina Kistanova via cfe-dev cfe-dev at lists.llvm.org
Tue Oct 6 00:34:11 PDT 2020

Hello everyone,

The staging buildbot was up and running for 6 days now, and looks good.

Tomorrow at 12:00 PM PDT we will switch the production buildbot to the new

If you are a bot owner, you do not need to do anything at this point,
unless I'll ask you to help.
The buildbot will go down for a short period of time, and then a new
version will come up and will accept connections from your bots.

Please note that the new version has a bit different URL structure. You
will need to update the bookmarks or scripts if you have stored direct URLs
to inside the buldbot.

We will be watching the production and staging bots and will be improving
zorg for the next week or so.

I will need your feedback about blame e-mails delivery, IRC reporting
issues, and anything you could spot wrong with the new bot. I  hope the
transition will go smoothly and we will handle issues quickly if any would
come up.

After production is good and we have about a week of running history, I'll
ask the bot owners to upgrade buildbots on their side. Please do not upgrade
your buildbots unless I'll ask you to. We are trying to limit a number of
moving parts at this stage. We will start accepting change to zorg at this
point. Please feel free to talk to me if you will have a special situation
and if you would absolutely have to make changes.

Thanks for your support and help. And please feel free to ask if you have


On Thu, Sep 10, 2020 at 9:35 PM Galina Kistanova <gkistanova at gmail.com>

> Hello everyone,
> The buildbot upgrade is entering the phase when the results to become
> visible.
> No change is required at this time on any of the builders. The bot owners
> could upgrade the buildbot on build computers later, at their convenience,
> as this is not on the critical path.
> We are going to upgrade the staging bot first. Then, once that is stable
> and all detected issues are resolved, we will upgrade the production bot.
> I will need some help with testing, and will be asking to move some of the
> builders temporarily to the staging. LLVM buildbot is a piece of critical
> infrastructure, so more eyes and hands in making sure it works properly the
> better.
> I'll be posting updates and ETA of particular changes in this thread.
> Please feel free to ask if you have any questions or concerns.
> Thanks
> Galina
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