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05-07-2008, 06:19 PM
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 Solaris Zones - memory management? This link states that it is not possible to constrain memory usage in zones. Is this still the case? http://www.softpanorama.org/Solaris/...on/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.      |
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05-10-2008, 01:56 PM
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| Re: Solaris Zones - memory management? 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/...on/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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05-10-2008, 01:56 PM
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| Re: Solaris Zones - memory management? In article <68ecvrF2n01c3U1@mid.individual.net>, Ian Collins <ian-news@hotmail.com> writes: > 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/...on/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. Solarus 10 Update 4 has this too, and possibly earlier Updates (I don't recall when it was back patched). Solaris 10 Update 4 also allows CPU allocations to a zone, and in Update 5, these can be fractions of a CPU. -- Andrew Gabriel [email address is not usable -- followup in the newsgroup] |
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