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Re: Linux 3.2 in wheezy

On Tue, Feb 07, 2012 at 06:09:40PM +0100, Vincent Bernat wrote:
> It  applies.  The major  point is  that with  containers, RAM  is shared
> accross containers (the same kernel is used for all containers).  If one
> container  needs for a  few seconds  200 MB,  it can  just use  them. No
> memory needs to be allocated for the exclusive of one container.

You can also allow VMs to do this with the use of a balloon driver
to reclaim memory.  But you should normally put some limit on the
memory used by a VM/container.  (One of the biggest problems people
have with LXC in squeeze is lack of the memory resource controller
in official packages.)


Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                              - Albert Camus

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