Are the physical CPU and RAM shared among Zones? Is it possible to allocate different resources to different Zones?
Jeff Victor: Solaris Zones share CPUs. An administrator can use Solaris Dynamic Resource Pools to assign one or more CPU(s) to a Solaris Zone. Also, the Solaris Fair-Share Scheduler can guarantee that a certain Solaris Zone gets a predetermined minimum amount of processing power. Plus, the Solaris Fair-Share Scheduler helps ensure that CPU power is not wasted because processing resources are only constrained once the system reaches 100 percent utilization. When it comes to RAM, Solaris Zones share the amount of physical memory available on the system. The amount of physical memory that a Zone uses cannot be constrained as it stands now, but Sun is working on a feature that will address this issue soon.
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