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From: Patrick Finnegan on 7 May 2008 11:08

This link states that it is not possible to constrain memory usage in
zones. Is this still the case?


http://www.softpanorama.org/Solaris/Virtualization/zones.shtml


IC: 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.
From: Ian Collins on 7 May 2008 15:07
Patrick Finnegan wrote:
> This link states that it is not possible to constrain memory usage in
> zones. Is this still the case?
>
>
> http://www.softpanorama.org/Solaris/Virtualization/zones.shtml
>
>
> IC: Are the physical CPU and RAM shared among Zones? Is it possible to
> allocate different resources to different Zones?
>
Yes, at least in Solaris Express. Check the Solaris 10 zonecfg docs on
docs.sun.com.

--
Ian Collins.
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