/tags/cgroups/ Recent content in Cgroups on Flatcar Container Linux Hugo en-us Copyright © The Flatcar Project Contributors. Copyright © Flatcar a Series of LF Projects, LLC. For website terms of use, trademark policy and other project policies please see <a href="https://lfprojects.org/policies/">lfprojects.org/policies</a>. Wed, 01 Sep 2021 20:00:00 +0200 /blog/2021/09/flatcar-container-linux-is-moving-to-cgroupsv2/ Wed, 01 Sep 2021 20:00:00 +0200 /blog/2021/09/flatcar-container-linux-is-moving-to-cgroupsv2/ <p> <a href="https://flatcar-linux.org/releases/#release-2969.0.0" target="_blank" rel="noopener">Flatcar Container Linux v2969.0.0</a> was released to the Alpha channel on Aug 19, 2021. This release brings a big change to the underlying configuration of the OS: the default control groups hierarchy has been switched to CGroupsV2. This blog post explains why these changes are necessary and how they will impact users.</p> <h1 id="cgroup">cgroup</h1> <p>Linux namespaces and control groups (or cgroups) are the core building blocks of containers on Linux. Cgroups restrict the resources (CPU, memory, I/O) that a process or container can consume, which is essential to securely hosting diverse workloads on the same system.</p>