I've observed that oVirt considers cache/buffer memory as "used". So a host can
report, for example, 10% memory utilisation when hosting 0 VMs. A reboot of the
host will of course free all that memory and the host will again report
something close to 0%.
This caused me a shock a few weeks ago when I thought my cluster was running
out of memory.
Given that the kernel will give back the buffer memory as required, is it not
perhaps a bit misleading to count it as "used"?
---- On Fri, 13 Mar 2020 17:47:34 +0000 Michal Skrivanek
<michal.skriva...@redhat.com> wrote ----
> On 10 Mar 2020, at 15:46, Noua TOUKOUROU <mailto:noua.toukou...@uni.lu>
> wrote:
>
>
> Hi,
>
> My ovirt engine is showing wrong host's memory usage. Even when this one has
> no VM.
> How to fix it ?
What’s wrong with it?
>
> Thanks
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