Chapter 5. Ceph metrics for Datadog
The Datadog agent collects the following metrics from Ceph. These metrics may be included in custom dashboards and in alerts.
Metric Name | Description |
---|---|
| The time taken to commit an operation to the journal. |
| Time taken to flush an update to disks. |
| The number of I/O operations per second for given pool. |
| The bytes per second being read. |
| The bytes per second being written. |
| The number of known storage daemons. |
| The number of participating storage daemons. |
| The number of online storage daemons. |
| The number of placement groups available. |
| The number of monitor daemons. |
| The overall capacity usage metric. |
| The object count from the underlying object store. |
| The object count for a given pool. |
| The per-pool read bytes. |
| The per-pool write bytes. |
| The number of pools. |
|
The number of |
| The per-pool read operations per second. |
| The per-pool write operations per second. |
| The number of nearly full OSDs. |
| The number of full OSDs. |
| The percentage used of full or near-full OSDs. |