Tools:
The problem I’ve just solved was to use $DS_PROMETHEUS as datasource for a provisioned dashboard.
$DS_PROMETHEUS
I created the best memory visualization in my life:
There aren’t much information on Ceph performance metrics. The most of publicly available Nagios checks stuck with ‘ceph health’ output, and the most articles I saw do not go beyond that level, counting 10 ‘most important ceph metrics’.