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Improve Linux System Efficiency with Control Groups

Jan 18, 2012, 22:03 (0 Talkback[s])
(Other stories by Anatoliy A. Dimitrov)


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"Control groups, or cgroups, is a kernel feature designed to aggregate tasks to allow for hierarchical resource management and allocation. While control groups have been in the Linux kernel for a few years, their implementation in CentOS appears for the first time in the recently released version 6. Here's how you can take advantage of control groups to improve your systems' efficiency.

"In cgroups terminology, every system resource – CPU, memory, disk input/output, bandwidth – is called a subsystem or resource controller. We'll use subsystem, but if you think "resource controller," you'll have the right idea – they literally control the system's resources."

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