Hi
We're running ceph nautilus 14.2.21 (going to octopus latest in a few
weeks) as volume and instance backend for our openstack vm's. Our
clusters run somewhere between 500 - 1000 OSDs on SAS HDDs with NVMe's
as journal and db device
Currently we do not have our vm's capped on iops and throughput. We
regularly get slowops warnings (once or twice per day) and wonder
whether there are more users with sort of the same setup that do
throttle their openstack vm's.
- What kind of numbers are used in the field for IOPS and throughput
limiting?
- As a side question, is there an easy way to get rid of the slowops
warning besides restarting the involved osd. Otherwise the warning seems
to stay forever
Regards
Marcel
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