Thanks for the clarification. I will probe more into dommemstat. On Fri, Mar 18, 2016, 3:21 PM Eric Blake <ebl...@redhat.com> wrote:
> On 03/18/2016 01:36 PM, Connor Osborn wrote: > > When I run `virsh dominfo <domain>` I get the following: > > > > Id: 455 > > Name: instance-000047e0 > > UUID: 50722aa0-d5c6-4a68-b4ef-9b27beba48aa > > OS Type: hvm > > State: running > > CPU(s): 4 > > CPU time: 123160.4s > > Max memory: 33554432 KiB > > Used memory: 33554432 KiB > > That says that the host allows up to 32G memory to be consumed by the > guest, and that no ballooning has taken place so the guest is free to > use it all. It doesn't mean that the guest is actually using it, though. > > > The domain is not at 100% memory capacity. How can I diagnose this > further? > > You're asking the wrong interface. dominfo only tells you how much of > the memory balloon is in use (here, none), and does not ask how much > memory the guest claims to be using. > > 'virsh memtune' and 'virsh dommemstat' ask different questions, and may > be able to give you more insight into the guest's current memory usage > (but it might also be something you can't learn without guest cooperation). > > -- > Eric Blake eblake redhat com +1-919-301-3266 > Libvirt virtualization library http://libvirt.org > >
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