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Why the operating system matters in a containerized world

Aug 20, 2014, 05:00 (0 Talkback[s])
(Other stories by Gordon Haff)

Applications running in Linux containers are isolated within a single copy of the operating system running on a physical server. This approach stands in contrast to hypervisor-based virtualization in which each application is bound to a complete copy of a guest operating system and communicates with the hardware through the intervening hypervisor. As a result, containers consume very few system resources such as memory and impose essentially no performance overhead on the application.

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