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.domingues@xxxxxxxxx> 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 > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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