Ozone Manager Metrics

Reference information for Ozone Manager Metrics

In addition to these base metrics, many aggregate metrics are available. If an entity type has parents defined, you can formulate all possible aggregate metrics using the formula base_metric_across_parents.

In addition, metrics for aggregate totals can be formed by adding the prefix total_ to the front of the metric name.

Use the type-ahead feature in the Cloudera Manager chart browser to find the exact aggregate metric name, in case the plural form does not end in "s".

For example, the following metric names may be valid for Ozone Manager:

  • alerts_rate_across_clusters
  • total_alerts_rate_across_clusters

Some metrics, such as alerts_rate, apply to nearly every metric context. Others only apply to a certain service or role.

alerts_rate

Description
The number of alerts.
Unit
events per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

cgroup_cpu_system_rate

Description
CPU usage of the role's cgroup
Unit
seconds per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

cgroup_cpu_user_rate

Description
User Space CPU usage of the role's cgroup
Unit
seconds per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

cgroup_mem_page_cache

Description
Page cache usage of the role's cgroup
Unit
bytes
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

cgroup_mem_rss

Description
Resident memory of the role's cgroup
Unit
bytes
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

cgroup_mem_swap

Description
Swap usage of the role's cgroup
Unit
bytes
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

cgroup_read_bytes_rate

Description
Bytes read from all disks by the role's cgroup
Unit
bytes per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

cgroup_read_ios_rate

Description
Number of read I/O operations from all disks by the role's cgroup
Unit
ios per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

cgroup_write_bytes_rate

Description
Bytes written to all disks by the role's cgroup
Unit
bytes per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

cgroup_write_ios_rate

Description
Number of write I/O operations to all disks by the role's cgroup
Unit
ios per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

cpu_system_rate

Description
Total System CPU
Unit
seconds per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

cpu_user_rate

Description
Total CPU user time
Unit
seconds per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

events_critical_rate

Description
The number of critical events.
Unit
events per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

events_important_rate

Description
The number of important events.
Unit
events per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

events_informational_rate

Description
The number of informational events.
Unit
events per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

fd_max

Description
Maximum number of file descriptors
Unit
file descriptors
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

fd_open

Description
Open file descriptors.
Unit
file descriptors
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

health_bad_rate

Description
Percentage of Time with Bad Health
Unit
seconds per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

health_concerning_rate

Description
Percentage of Time with Concerning Health
Unit
seconds per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

health_disabled_rate

Description
Percentage of Time with Disabled Health
Unit
seconds per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

health_good_rate

Description
Percentage of Time with Good Health
Unit
seconds per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

health_unknown_rate

Description
Percentage of Time with Unknown Health
Unit
seconds per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

mem_rss

Description
Resident memory used
Unit
bytes
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

mem_swap

Description
Amount of swap memory used by this role's process.
Unit
bytes
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

mem_virtual

Description
Virtual memory used
Unit
bytes
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

oom_exits_rate

Description
The number of times the role's backing process was killed due to an OutOfMemory error. This counter is only incremented if the Cloudera Manager "Kill When Out of Memory" option is enabled.
Unit
exits per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

read_bytes_rate

Description
The number of bytes read from the device
Unit
bytes per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

unexpected_exits_rate

Description
The number of times the role's backing process exited unexpectedly.
Unit
exits per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

uptime

Description
For a host, the amount of time since the host was booted. For a role, the uptime of the backing process.
Unit
seconds
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

write_bytes_rate

Description
The number of bytes written to the device
Unit
bytes per second
Parents
cluster, ozone, rack
CDH Version
CDH 5, CDH 6, CDH 7

ozone_om_call_queue_length

Description
Call Queue Length
Unit
message.units.ops
Parents
cluster, ozone, rack
CDH Version
CDH 7

ozone_om_num_buckets

Description
Number of Buckets in OM.
Unit
message.units.buckets
Parents
cluster, ozone, rack
CDH Version
CDH 7

ozone_om_num_fs_opts

Description
Number of FS Opts
Unit
message.units.ops
Parents
cluster, ozone, rack
CDH Version
CDH 7

ozone_om_num_keys

Description
Number of Keys in OM.
Unit
message.units.keys
Parents
cluster, ozone, rack
CDH Version
CDH 7

ozone_om_num_list_status

Description
Number of List Status OPs in OM
Unit
message.units.ops
Parents
cluster, ozone, rack
CDH Version
CDH 7

ozone_om_num_open_connections

Description
Number of Open Connections
Unit
connections
Parents
cluster, ozone, rack
CDH Version
CDH 7

ozone_om_num_s3_buckets

Description
Number of S3 Buckets
Unit
message.units.buckets
Parents
cluster, ozone, rack
CDH Version
CDH 7

ozone_om_num_volumes

Description
Number of Volumes in OM.
Unit
volumes
Parents
cluster, ozone, rack
CDH Version
CDH 7

ozone_om_rpc_avg_processing_time

Description
RPC Average Processing Time.
Unit
ms
Parents
cluster, ozone, rack
CDH Version
CDH 7

ozone_om_rpc_queuetime_avg_time

Description
Rpc Queue Time Average.
Unit
ms
Parents
cluster, ozone, rack
CDH Version
CDH 7