On Thu, Nov 29, 2018 at 11:48:35PM -0500, Michael Green wrote:
Hello collective wisdom,
Ceph neophyte here, running v13.2.2 (mimic).
Question: what tools are available to monitor IO stats on RBD level?
That is, IOPS, Throughput, IOs inflight and so on?
There is some brand new code for rbd io monitoring. This PR
(https://github.com/ceph/ceph/pull/25114) added rbd client side perf counters
and this PR (https://github.com/ceph/ceph/pull/25358) will add those counters as
prometheus metrics. There is also room for an "rbd top" tool, though I haven't
seen any code for this.
I'm sure Mykola (the author of both PRs) could go into more detail if needed. I
expect this functionality to land in nautilus.
I'm testing with FIO and want to verify independently the IO load on
each RBD image.
--
Michael Green
Customer Support & Integration
[1]green@xxxxxxxxxxxxx
References
1. mailto:green@xxxxxxxxxxxxx
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--
Jan Fajerski
Engineer Enterprise Storage
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton,
HRB 21284 (AG Nürnberg)
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