Le samedi 11 mars 2017 11:11:41 UTC+1, Vít Šesták a écrit : > My quick guess is that you need 2GiB more RAM with Qubes0S than with, say, > Ubuntu. Reasoning: > > a. Experience: 6GiB with Ubuntu was somewhat usable, but I had to close all > apps I was not using at the time and even with this, I got some swapping > times. With 8GiB, it was much better. With QubesOS, I got similar experience > for 8GiB (swapping times) and 10GiB (good experience). But please note that > my experience with 10GiB RAM is quite short: I have used it few days because > of a faulty RAM module. (10GiB was actually a temporary downgrade from 16GiB.) > > b. Calculation: By default, dom0 takes at least 1GiB RAM. Both sys-net and > sys-firewall and sys-usb can be configured for 200 or 300 MiB. Plus some > overhead. > > Note that Qubes 4 will probably add about 50MiB overhead for each VM except > HVMs (the overhead is alreasy there) and dom0 (no need for stubdom). > > On the other hand, you can make some further modifications that same some RAM. > > * If you don't need USB for anything but keyboard and mouse (or touchpad or > something similar), you can get rid of sys-usb. > * You might merge sys-net and sys-firewall in one VM. Yes, some will note > that this is generally a bad idea. While I agree it reduces some benefits of > Qubes, merging sys-net with sys-firewall should not make it worse than > conventional distributions. > * You might try MirageOS-based firewall to reduce its footprint. But please > note that this is experimental today. > > Also note that QubesOS is not designed for swapping. All AppVMs have 1GiB > swap and you can theoretically add more, but memory balancing does not work > well if swap is used heavily. > > I would say that you will be able to run Qubes with 4GiB RAM if your > requirements are pretty low. It might be worth trying. But I would not > recommend any laptop with non-upgradable 4GiB RAM as a new hardware for > QubesOS. > > Regards, > Vít Šesták 'v6ak'
Thank for your answer, it's a shame there no ultrabooks allowing RAM upgrade :( -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/ac503066-fcd7-45d0-83bc-93b4ca2f686b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
