Of course:
free -h
total used free shared buff/cache available
Mem: 125Gi 96Gi 9.8Gi 4.0Gi 19Gi 7.6Gi
Swap: 0B 0B 0B
Luis Domingues
Proton AG
------- Original Message -------
On Monday, July 24th, 2023 at 16:42, Konstantin Shalygin <k0...@k0ste.ru> wrote:
> Hi,
>
> Can you paste `free -h` output for this hosts?
>
>
> k
> Sent from my iPhone
>
> > On 24 Jul 2023, at 14:42, Luis Domingues luis.doming...@proton.ch wrote:
> >
> > Hi,
> >
> > So after, looking into OSDs memory usage, which seem to be fine, on a
> > v16.2.13 running with cephadm, on el8, it seems that the kernel is using a
> > lot of memory.
> >
> > # smem -t -w -k
> > Area Used Cache Noncache
> > firmware/hardware 0 0 0
> > kernel image 0 0 0
> > kernel dynamic memory 65.0G 18.6G 46.4G
> > userspace memory 50.1G 260.5M 49.9G
> > free memory 9.9G 9.9G 0
> > ---------------------------------------------------------- 125.0G 28.8G
> > 96.3G
> >
> > Comparing with a similar other cluster, same OS, same ceph version, but
> > running packages instead if containers, and machines have a little bit more
> > memory:
> >
> > # smem -t -w -k
> > Area Used Cache Noncache
> > firmware/hardware 0 0 0
> > kernel image 0 0 0
> > kernel dynamic memory 52.8G 50.5G 2.4G
> > userspace memory 123.9G 198.5M 123.7G
> > free memory 10.6G 10.6G 0
> > ---------------------------------------------------------- 187.3G 61.3G
> > 126.0G
> >
> > Does anyone have an idea why when using containers with podman the kernel
> > needs a lot more memory?
> >
> > Luis Domingues
> > Proton AG
> > _______________________________________________
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>
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