Volume Metrics
Every 10 seconds, the collectd service uses a plugin to gather the following volume metrics on each CLDB node in the cluster.
For volumes prefixed with
mapr.internal*, the reported volume metrics are not meaningful.| Name | Description | Tag(s) |
|---|---|---|
| mapr.volume.logical_used | The number of MBs used for logical volumes before compression is applied to the files. |
|
| mapr.volume.snapshot_used | The number of MBs used for snapshots. |
|
| mapr.volume.total_used | The number of MB used for volumes and snapshots. |
|
| mapr.volume.used | The number of MB used for volumes after compression is applied to the files. |
|
| mapr.volume.quota | The number of megabytes(MB) used for volume quota. |
|
Every 10 seconds, the collectd service uses a plugin to gather the following Data Fabric volume metrics on each CLDB node in the cluster.
| Name | Description | Tag(s) |
|---|---|---|
| mapr.volmetrics.read_throughput | The per volume read throughput in KB |
|
| mapr.volmetrics.write_throughput | The per volume write throughput in KB |
|
| mapr.volmetrics.read_latency | The per volume read latency in milliseconds |
|
| mapr.volmetrics.write_latency | The per volume write latency in milliseconds |
|
| mapr.volmetrics.read_ops | A count of the read operations per volume |
|
| mapr.volmetrics.write_ops | A count of the write operations per volume |
|