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Red Hat Advances Server Resource Control with RHEL 6.2

Dec 07, 2011, 20:00 (0 Talkback[s])

"Burke explained that previously the way cgroups worked was with ratios for capacity, for example setting a 40 percent of CPU policy. He noted that the trouble with this approach is that if, for example, there were three virtual guests running on a system, each controlled with a cgroup setting for one-third capacity, if two systems were idle, the third could consume all of the systems resources. With the new ability to specify capacities for I/O rates, CPU cycles and the like, there is now a bounded ceiling.

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