[PVE-User] Spam:**********, KVM vs Container - Why should one use KVM?

Bruce B bruceb444 at gmail.com
Sat Nov 27 03:19:55 CET 2010


Thanks for the input Tony.

Yeah, and those are the sort limitations that I would like to hear in a bit
detail. Can you detail how the java misbehaves on a container?

Also more importantly things that matter to Asterisk. For example sharing a
timing source, etc...that relates to Asterisk.

Any other limitations?

Thanks

On Fri, Nov 26, 2010 at 9:16 PM, Tony Zakula <tony at zakula.com> wrote:

> The container works well for most things, but it is not a true virtual
> machine.  The KVM is a true virtual machine.  If you are only running
> Linux applications, the container will probably work fine, but there
> are still some things like Java applications that require special care
> to run in a container where it will run normally in a KVM.
>
> Just my opinion.
>
> Tony Z
>
>
>
> On Fri, Nov 26, 2010 at 7:53 PM, Bruce B <bruceb444 at gmail.com> wrote:
> > Hi Everyone,
> > I have loaded a few KVM's and a few Container VMs. I don't like how the
> KVM
> > shows using so much of the RAM. Comparison below:
> > KVM = 3.22GB RAM
> > CPU 2%
> > VM   = 16MB RAM
> > CPU = 0%
> > Both above are running CentOS and Asterisk. So, I am wondering why would
> > anyone run in KVM mode? Are there any stability? reliability or
> limitations
> > to Container VM that would restrain one from using a Container?
> > Aside from limitations like one MUST run an .iso to install the OS, are
> > there any other features that a container VM can't do that a KVM can do?
> > Thanks
> > _______________________________________________
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> >
> >
>
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