https://bugzilla.redhat.com/show_bug.cgi?id=1854898
Bug ID: 1854898
Summary: Review Request: uresourced - Dynamically allocate
resources to the active user
Product: Fedora
Version: rawhide
Hardware: All
OS: Linux
Status: NEW
Component: Package Review
Severity: medium
Priority: medium
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
CC: [email protected]
Target Milestone: ---
Classification: Fedora
Spec URL:
https://download.copr.fedorainfracloud.org/results/benzea/uresourced/fedora-32-x86_64/01533466-uresourced/uresourced.spec
SRPM URL:
https://download.copr.fedorainfracloud.org/results/benzea/uresourced/fedora-32-x86_64/01533466-uresourced/uresourced-0.1.0-1.fc32.src.rpm
Description:
This daemon dynamically assigns a resource allocation to the active
graphical user. If the user has an active graphical session managed
using systemd (e.g. GNOME), then the memory allocation will be used
to protect the sessions core processes (session.slice).
Fedora Account System Username: benzea
See also https://pagure.io/fedora-workstation/issue/154
Basically, the idea is to allocate resources to the active user session. Using
those resources, it can protect itself (i.e. the core session processes) and it
will also get preferential treatment compared to inactive users.
As an example, by default, the active user will receive a 5x larger CPU share
compared to an inactive user. They will also receive a 250MiB memory allocation
which protects the memory of important session processes from being reclaimed
(e.g. swapped out).
Right now it ships appropriate configurations to update a F32 GNOME session to
work well with this.
NOTE: The package currently modifies GNOME systemd units. The modifications
done are entirely safe, and will not create (transient) issues when upstream
GNOME starts adopting similar defaults. Once they are not needed anymore, they
can simply be safely removed.
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