Resource control aims to control compute resource distribution to improve reliability and utilization of a system. The facebook kernel and container teams have been intensively researching and implementing mechanisms and methods to advance resource control. resctl-demo demonstrates and documents various aspects of resource control using self-contained workloads in guided scenarios.
Getting Started
Comprehensive resource control has many requirements, some of which can be difficult to configure on an existing system. resctl-demo provides premade images to help getting started. Visit the following page for details:
https://facebookmicrosites.github.io/resctl-demo-website
Discussions
For discussions around resctl-demo and resource control in general:
https://groups.google.com/g/resctl-demo
Requirements
The basic building blocks are provided by the Linux kernel's cgroup2 and other resource related features. On top, usage and configuration methods combined with user-space helpers such as oomd and sideloader implement resource isolation to achieve workload protection and stacking.
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Linux kernel >= v5.10
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cgroup2
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btrfs on non-composite storage device (sda or nvme0n1, not md or dm)
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Swap file on btrfs at least as large as 1/3 of physical memory
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systemd
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oomd
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python3, findmnt, dd, fio, stdbuf, gcc, ld, make, bison, flex, pkg-config, stress, libssl, libelf
Building
$ cargo build --release
Installing resctl-demo
$ sudo ./install.sh /usr/local/bin
Running resctl-demo
$ sudo systemd-run --scope --slice hostcritical.slice --unit resctl-demo /usr/local/bin/resctl-demo
License
resctl-demo is apache-2.0 licensed, as found in the LICENSE file.