On 1/8/20 5:21 PM, Chris Murphy wrote: > On Mon, Jan 6, 2020 at 7:56 PM Dusty Mabe <dusty@xxxxxxxxxxxxx> wrote: >> >> For cloud at least it's very common to not have swap. I'd argue for servers >> you don't want them swapping either but resources aren't quite as elastic as >> in the cloud so you might not be able to burst resources like you can in the cloud. > > There's also discussion about making oomd a universal solution for > this; but I came across this issue asserting PSI (kernel pressure > stall information) does not work well without swap. > https://github.com/facebookincubator/oomd/issues/80 > > Ignoring whether+what+when a workaround may be found for that, what do > you think about always having swap-on-ZRAM enabled in these same > environments? The idea there is a configurable size /dev/zram block > device (basically a compressible RAM disk) on which swap is created. > Based on discussions with anaconda, IoT, Workstation, and systemd > folks - I think there's a potential to converge on systemd-zram > generator (rust) to do this. > https://github.com/systemd/zram-generator > > Workstation wg is mulling over the idea of dropping separate swap > partitions entirely, and using a swap-on-ZRAM device instead; possibly > with a dynamically created swapfile for certain use cases like > hibernation. So I'm curious if this might have broader appeal, and get > systemd-zram generator production ready. > Seems like an interesting concept. Since it doesn't require any disk setup it's easy to turn it off or configure it I assume. +1 Dusty _______________________________________________ cloud mailing list -- cloud@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to cloud-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/cloud@xxxxxxxxxxxxxxxxxxxxxxx
