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October 23-26, 2017 - Prague, Czech Republic
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Wednesday, October 25 • 11:55 - 12:35
Mixing cgroupfs v1 and cgroupfs v2: Finding Solutions for Container Runtimes - Christian Brauner, Canonical Ltd.

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With the release of kernel 4.5 the new cgroupfs v2 API was declared non-experimental. But the missing feature parity between cgroupfs v2 with cgroupfs v1 makes it nearly impossible for container runtimes to use it. Especially before the cpu controller is merged, no runtime is expected to switch to it by default. Nonetheless cgroupfs v2 is slowly making its way into various distributions. This brings with it a new set of problems and challenges which container runtimes must tackle. For example, one of the core problems container runtimes will have to face is how to support running cgroupfs v1 hierarchies inside a container while the host is running a cgroupfs v2 hierarchy and vica versa. This talk will try to outline some of these problems more clearly, and suggest possible solutions and hopefully inspire a fruitful discussion that leads to further solutions or at least helps to identify and specify various problems more clearly.

Speakers
avatar for Christian Brauner

Christian Brauner

Software Engineer, Canonical Ltd.
Christian Brauner is a core developer and maintainer of the LXD and LXC projects and part of the Ubuntu Server team. He's been active in the open source community for a long time and is a regular speaker and moderator at several large events (e.g. 33C3, Linux Plumbers Conference... Read More →


Wednesday October 25, 2017 11:55 - 12:35
Palmovka
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Attendees (3)