[libvirt] [PATCH] Change default resource partition to /machine

Lennart Poettering mzerqung at 0pointer.de
Thu Apr 18 15:11:15 UTC 2013


On Thu, 18.04.13 08:33, Eric Blake (eblake at redhat.com) wrote:

> On 04/18/2013 04:11 AM, Daniel P. Berrange wrote:
> > From: "Daniel P. Berrange" <berrange at redhat.com>
> > 
> > After discussions with systemd developers it was decided that
> > a better default policy for resource partitions is to have
> > 3 default partitions at the top level
> > 
> >    /system   - system services
> >    /machine - virtual machines / containers
> >    /user    - user login session
> > 
> > This ensures that the default policy isolates guest from
> > user login sessions & system services, so a mis-behaving
> > guest can't consume 100% of CPU usage if other things are
> > contending for it.
> > 
> > Thus we change the default partition from /system to
> > /machine
> > 
> > Signed-off-by: Daniel P. Berrange <berrange at redhat.com>
> > ---
> >  src/lxc/lxc_cgroup.c   | 2 +-
> >  src/qemu/qemu_cgroup.c | 2 +-
> >  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> ACK.  But is it worth making this configurable in qemu.conf/lxc.conf, in
> case policy changes yet again?

Just to provide some context to this: we are confident enough to
hardcode these three paths in systemd.

Lennart

-- 
Lennart Poettering - Red Hat, Inc.




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