On Thu, May 10, 2018 at 12:00 PM, Brady Deetz <bdeetz@xxxxxxxxx> wrote:
> [ceph-admin@mds0 ~]$ ps aux | grep ceph-mds
> ceph 1841 3.5 94.3 133703308 124425384 ? Ssl Apr04 1808:32
> /usr/bin/ceph-mds -f --cluster ceph --id mds0 --setuser ceph --setgroup ceph
>
>
> [ceph-admin@mds0 ~]$ sudo ceph daemon mds.mds0 cache status
> {
> "pool": {
> "items": 173261056,
> "bytes": 76504108600
> }
> }
>
> So, 80GB is my configured limit for the cache and it appears the mds is
> following that limit. But, the mds process is using over 100GB RAM in my
> 128GB host. I thought I was playing it safe by configuring at 80. What other
> things consume a lot of RAM for this process?
>
> Let me know if I need to create a new thread.
The cache size measurement is imprecise pre-12.2.5 [1]. You should upgrade ASAP.
[1] https://tracker.ceph.com/issues/22972
--
Patrick Donnelly
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