On 03.01.2020 20:18, Ben Cotton wrote:
Workstation working group has discussed "better interactivity
low-memory situations" for some months. In certain use cases,
typically compiling, if all RAM and swap are completely consumed,
system responsiveness becomes so abysmal that a reasonable user can
consider the system "lost", and resorts to forcing a power off. This
is objective a very bad UX.
I'm strongly against adding of any user-space OOM killers to Fedora
default images. Users should explicitly enable them only when needed.
1. Such applications run with super-user privileges and has full access
to all private memory of all processes and sensitive user data. This is
a huge security breach.
2. It can easily kill KDE/Gnome shell or VM hypervisor, which can cause
3. Some implementations are killing all processes with the same name
and their developers think that this is a feature.
4. Super-user daemons should not touch userspace at all. A real
user-space OOM should run with privileges of the same user using
Vitaly Zaitsev (vitaly(a)easycoding.org)