I'm in the process of building a dashboard for our Ceph nodes. I was wondering if anyone out there had instrumented their OSD / MON clusters and found particularly useful visualizations.
At first, I was trying to do ridiculous things (like graphing % used for every disk in every OSD host), but I realized quickly that that is simply too many metrics and far too visually dense to be useful. I am attempting to put together a few simpler, more dense visualizations like... overcall cluster utilization, aggregate cpu and memory utilization per osd host, etc. Just looking for some suggestions. Thanks!
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