MapR Volume Metrics

Every 10 seconds, the collectd service uses a MapR plugin to gather the following MapR 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.
  • volume_name: Display values for a specified volume.
  • entity_name: Display values for a specified user or group.
mapr.volume.snapshot_used The number of MBs used for snapshots.
  • volume_name: Display values for a specified volume.
  • entity_name: Display values for a specified user or group.
mapr.volume.total_used The number of MB used for volumes and snapshots.
  • fqdn: Display values for a specified node.
  • volume_name: Display values for a specified volume.
  • entity_name: Display values for a specified user or group.
mapr.volume.used The number of MB used for volumes after compression is applied to the files.
  • fqdn: Display values for a specified node.
  • volume_name: Display values for a specified volume.
  • entity_name: Display values for a specified user or group.
mapr.volume.quota The number of megabytes(MB) used for volume quota.
  • fqdn: Display values for a specified node.
  • volume_name: Display values for a specified volume.
  • entity_name: Display values for a specified user or group.

Every 10 seconds, the collectd service uses a MapR plugin to gather the following MapR volume metrics on each CLDB node in the cluster.

Name Description Tag(s)
mapr.volmetrics.read_throughput The per volume read throughput in KB
  • fqdn: Display values for a specified node.
  • volume_name: Display values for a specified volume.
  • clusterid: Display values for a cluster specified by ID.
  • clustername: Display values for a cluster specified by name.
mapr.volmetrics.write_throughput The per volume write throughput in KB
  • fqdn: Display values for a specified node.
  • volume_name: Display values for a specified volume.
  • clusterid: Display values for a cluster specified by ID.
  • clustername: Display values for a cluster specified by name.
mapr.volmetrics.read_latency The per volume read latency in milliseconds
  • fqdn: Display values for a specified node.
  • volume_name: Display values for a specified volume.
  • clusterid: Display values for a cluster specified by ID.
  • clustername: Display values for a cluster specified by name.
mapr.volmetrics.write_latency The per volume write latency in milliseconds
  • fqdn: Display values for a specified node.
  • volume_name: Display values for a specified volume.
  • clusterid: Display values for a cluster specified by ID.
  • clustername: Display values for a cluster specified by name.
mapr.volmetrics.read_ops A count of the read operations per volume
  • fqdn: Display values for a specified node.
  • volume_name: Display values for a specified volume.
  • clusterid: Display values for a cluster specified by ID.
  • clustername: Display values for a cluster specified by name.
mapr.volmetrics.write_ops A count of the write operations per volume
  • fqdn: Display values for a specified node.
  • volume_name: Display values for a specified volume.
  • clusterid: Display values for a cluster specified by ID.
  • clustername: Display values for a cluster specified by name.