Welcome to Episode 116 Main Topic * Cgroups with Unclemarc! + Paul Menage and Rohit Seth + Solaris implemented zones in 2004, which featured resource groups, providing cgroup-like functionality + Kernel version 2.6.24 + Re-design for v2 begin in 2013 + Cpu + Memory + Disk (I/O) + Cpuset + v1 - https://www.kernel.org/doc/Documentation/cgroup-v1/cgroups.txt + V2 - https://www.kernel.org/doc/Documentation/cgroup-v2.txt + What problem are we trying to solve? + Started at Google in 2006, originally named “process containers” + Renamed to “control groups” and Introduced into kernel in 2007 + First appeared in RHEL 6 but none of the tooling was enabled by default + Critical component of systemd, so they’ve been active on RHEL since RHEL 7 + RHEL 8 is the first Red Hat OS to support cgroups v2 + Most useful controllers (supported via systemd) + My blogs - https://www.redhat.com/en/authors/marc-richter + RHEL 8 docs - https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/managing_monitoring_and_updating_the_kernel/setting-limits-for-applications_managing-monitoring-and-updating-the-kernel + Kernel docs + Comics! https://wizardzines.com/comics/cgroups/

• https://blog.godshell.com/its-docker-its-a-container-its-a-process/
• Covers namespaces and cgroups (moreso namespaces)

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Intro and Outro music credit: Tri Tachyon, Digital MK 2
http://freemusicarchive.org/music/Tri-Tachyon/