2014 Linux Symposium, July 14-16

Seven problems of Linux Containers

Kir Kolyshkin (kir@openvz.org)

OpenVZ, which has turned 7 recently, is an implementation of lightweight virtualization technology for Linux, something which is also referred to as LXC or just containers. The talk gives an insight into 7 different problems with containers and how they were solved. While most of these problems and solutions belongs in the Linux kernel, kernel knowledge is not expected from the audience.

Problems covered in this talk are: efficient virtualization; control of shared resources; easy resource controls (vSwap); fast live migration; merging your code to upstream kernel; many containers vs single filesystem.

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