On Wed, Oct 4, 2023 at 11:44 AM Martin Stransky <stran...@redhat.com> wrote:
> Hello guys, > > Is there's a way how to set requested amount of ram for koji builders? > > I'd like to use it as Firefox builds fail recently due low memory, like > https://bugzilla.redhat.com/show_bug.cgi?id=2241690 I looked at the first linked build log in the ticket and it looks like the build failed in the debuginfo extraction step. In that log, find-debuginfo is called with -j3, and it could be that it ran out of memory because it was trying to do 3 debuginfo extractions in parallel. You could try to stick something like this in the spec file to tune it down: # Require 32 GB of RAM per CPU core for debuginfo processing %global _find_debuginfo_opts %limit_build -m 32768 ... and see if it helps. With this, it should pass -j1 to find-debuginfo when the builder has 32 GB RAM, -j2 when it has 64 GB etc. If that doesn't work, then there's also the option of using -g1 to reduce the binary sizes so they take less memory to process (but that makes backtraces much worse so I'd only leave it for emergencies if you can't get an important build out otherwise). Another option is that there's a heavybuilder channel in koji, which has beefier machines, but it has some significant capacity issues (only 2 aarch64 builders, iirc) so it would be best to avoid it, if possible. Chromium and webkitgtk are using it and sometimes builds have to wait a long time after each other, especially when building something for all Fedora branches. Hope this helps, Kalev
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