On Wed, 2020-11-11 at 01:12 -0700, Chris Murphy wrote: > On Thu, Nov 5, 2020, 3:24 PM Patrick O'Callaghan <pocallaghan@xxxxxxxxx> > wrote: > > > > This is a clean install, so it's enabled by default and has reserved > > 4GB. I think that's what's actually causing the OOMs. I have 16GB of > > RAM. On F32 I could run an 8GB VM with hugepages, i.e. dedicated > > memory, plus normal stuff including multiple browser tabs etc. and > > never had a problem. Now as soon as I try to start the VM it gets OOM > > errors, and multiple Firefox tabs are failing and have to be restarted. > > > Oof! > > One 8G VM , and how many FF tabs? What VM guest? The guest is Windows 10. I have since configured a large swapfile on my SSD (with BTRFS) and the improvement has been dramatic, both in performance and in OOMs (which have vanished completely). There's still a zram device as well (4GB) but I've just left it untouched for now. > You can certainly experiment with a custom zram-generator.conf and xhange > the limit to 16G. You'll get an 8G zram device in this case, if you make no > other changes to the configuration. > > I'm curious at what minimum zram allocation this problem doesn't happen. > 6G, 8G, 10G? Maybe I'll get round to testing that, but for now it works and I'm not keen to mess with it. poc _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx