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