The "osd_perf_query" mgr module is just a demo / testing framework.
However, the output was tweaked prior to merge to provide more
readable values instead of the "{value summation} / {count}" in the
original submission.
On Tue, Dec 4, 2018 at 1:56 PM Michael Green <gr...@e8storage.com> wrote:
>
> Interesting, thanks for sharing.
>
> I'm looking at the example output in the PR 25114:
>
> write_bytes
> 409600/107
> 409600/107
>
> write_latency
> 2618503617/107
>
> How should these values be interpreted?
> --
> Michael Green
>
>
>
>
>
>
>
>
> > On Dec 3, 2018, at 2:47 AM, Jan Fajerski <jfajer...@suse.com> wrote:
> >
> >> 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.
> >
>
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> ceph-users@lists.ceph.com
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--
Jason
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