On Wed, Jul 01, 2020 at 09:16:05AM -0700, Kevin Fenzi wrote: > On Tue, Jun 30, 2020 at 02:17:30PM +0200, Adrian Reber wrote: > > On Mon, Jun 15, 2020 at 03:36:23PM -0700, Kevin Fenzi wrote: > > > On Wed, Jun 10, 2020 at 11:09:49AM +0200, Adrian Reber wrote: > > > > > > > > Then I just have to wait a bit. No problem. > > > > > > > > > > Having the possibility to generate the mirrorlist input data in about a > > > > > > minute would significantly reduce the load on the database server and > > > > > > enable us to react much faster if broken protobuf data has been synced > > > > > > to the mirrorlist servers on the proxies. > > > > > > > > > > Yeah, and I wonder if it would let us revisit the entire sequence from > > > > > 'update push finished' to updated mirrorlist server. > > > > > > This would help us with the case of: > > > - updates push/rawhide finishes, master mirror is updated. > > > - openqa/other internal thing tries to get images or updates in that > > > change and gets a metalink with the old checksum so it can't get the > > > new stuff. > > > - mm-backend01 generates and pushes out a new protobuf. > > > > > > > > Probably. As the new code will not run on the current RHEL 7 based > > > > mm-backend01 would it make sense to run a short running service like > > > > this on Fedora's OpenShift? We could also create a new read-only (SELECT > > > > only) database account for this. > > > > > > We could, or as smooge suggests make a mm-backend02? > > > > > > But I guess now mm-backend02 just generates new proobuf files and copies > > > them to mirrorlists? If thats all it's doing, perhaps we could indeed > > > replace it with an openshift project. > > > > We need a system to run the tool and copy the data to all proxies. > > > > I would like to see a new MirrorManager database user who can only do > > selects as that is all we need. > > > > Currently we copy the files via SSH to the proxies, if we continue doing > > it that way, then we would also need the existing SSH key to copy the > > data to the proxies. > > > > Easiest would probably be a small Fedora 32 based VM with 2GB of memory. > > I'm not sure f32 will work with 2gb memory anymore. I dont think it > installs at any rate. > > I do like the idea of just making it an openshift pod. Perhaps this > could even fit with pingous 'toddlers' setup. ie: I tried to create a toddler, but that setup is too complicated for me. Especially if something is not working it will be almost impossible for me to debug it if it is running somewhere I cannot reach via SSH. I just tried to build the generate-mirrorlist-cache on RHEL 7 (using Rust from EPEL) and it works fine. Instead of 20 minutes it needs 30 seconds to generate the mirrorlist cache file on mm-backend01. Although a RPM is available in Fedora I am not sure the RPM can be made available in EPEL 7. RPM Fusion is using the Rust based generate-mirrorlist-cache for some months already and I do not see any problems with it. I would like to use this also for Fedora and a dedicated Fedora based VM or building from source on RHEL 7 is both possible. Building from source does not sound like something used in Fedora Infrastructure so setting up a Fedora based VM would be necessary. Would that be possible? Adrian
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