Re: Show and Tell: Grafana cluster dashboard

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On Mon, May 07, 2018 at 02:45:14PM +0200, Kurt Bauer wrote:


Jan Fajerski <mailto:jfajerski@xxxxxxxx>
7. May 2018 at 14:21
On Mon, May 07, 2018 at 02:05:59PM +0200, Kurt Bauer wrote:
 Hi Jan,
 first of all thanks for this dashboard.
 A few comments:
-) 'vonage-status-panel' is needed, which isn't mentioned in the ReadMe
Yes, my bad. Will update the README
 -) Using ceph 12.2.4 the mon metric for me is apparently called
 'ceph_mon_quorum_count' not 'ceph_mon_quorum_status'
I'll also add to the readme: The dashboard is based on Ceph Mimic.
 And a question:
 Is there a way to get the Cluster IOPS with prometheus metrics? I did
 this with collectd, but can't find a suitable metric from ceph-mgr.
Yes...at least in Mimic the metrics are called ceph_osd_op[_r,_w,_rw]
Thanks, these metrics are in Luminous too. I seem unable to find some sort of register, to see which metrics mean what. Some are quite obvious, but others are a mystery. Does smth. like that exist somewhere?
Not yet.
Most daemon specific metric names (like ceph_osd_op[_r,_w,_rw) are derived directly from the respective perf counter names. The plugin exports all perf counters with PRIO_INTERESTING or higher (iirc).
An automatically created index would certainly be feasible.

Thanks.

 Best regards,
 Kurt

 [1]Jan Fajerski
 7. May 2018 at 12:32

 Hi all,
I'd like to request comments and feedback about a Grafana dashboard for
 Ceph cluster monitoring.
 [2]https://youtu.be/HJquM127wMY
 [3]https://github.com/ceph/ceph/pull/21850
 The goal is to eventually have a set of default dashboards in the Ceph
 repository that offer decent monitoring for clusters of various (maybe
even all) sizes and applications, or at least serve as a starting point
 for customizations.
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References

 1. mailto:jfajerski@xxxxxxxx
 2. https://youtu.be/HJquM127wMY
 3. https://github.com/ceph/ceph/pull/21850
 4. mailto:majordomo@xxxxxxxxxxxxxxx
 5. http://vger.kernel.org/majordomo-info.html

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Kurt Bauer <mailto:kurt.bauer@xxxxxxxxxxxx>
7. May 2018 at 14:05
Hi Jan,

first of all thanks for this dashboard.
A few comments:
-) 'vonage-status-panel' is needed, which isn't mentioned in the ReadMe
-) Using ceph 12.2.4 the mon metric for me is apparently called 'ceph_mon_quorum_count' not 'ceph_mon_quorum_status'

And a question:
Is there a way to get the Cluster IOPS with prometheus metrics? I did this with collectd, but can't find a suitable metric from ceph-mgr.

Best regards,
Kurt




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--

Kurt Bauer<kurt.bauer@xxxxxxxxxxxx>
Vienna University Computer Center - ACOnet - VIX
Universitaetsstrasse 7, A-1010 Vienna, Austria, Europe
Tel: ++431 4277  - 14070 (Fax: - 814070)  KB1970-RIPE

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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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