Introducing Ceph Metrics and Grafana
Ceph Metrics is a tool that allows a user to visually monitor various metrics in a running Ceph cluster. It has two components collectd and Grafana.
collectd
collectd is a daemon which collects system and application performance metrics periodically and delivers a method to store the values in different ways. It collects metrics from various sources, for example, the operating system platform, user applications, system and user log files, and external devices, and accumulates this information or makes it available over the network.
In Ceph Metrics, the Ceph nodes will have collectd installed along with collector plugins from cephmetrics-collectd
.
Grafana
Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, Elasticsearch, OpenTSDB, Prometheus, and InfluxDB. It has a tagline The open platform for beautiful analytics and monitoring.
In Ceph Metrics the dashboard host will have Grafana installed and configured to display various...