headroom_cpu
This table displays message service time variance and message inter-arrival time variance for WAFL, as well as headroom optimal point information for the CPU resource.
Classic Object: resource_headroom_cpu
Table Row IDs
ID Format | Aggregation Type | Comment |
---|---|---|
{instance_name}:{instance_uuid} |
(not applicable) |
This represents the construction of the row ID field, which is a single unique string that identifies a row. |
Properties
This section describes the mapping between classic (ONTAPI) string counter names and REST property names.
Classic String Counter | REST Property | Description |
---|---|---|
node_name |
node.name |
System node name |
instance_name |
name |
This is the name of the headroom_cpu row. |
instance_uuid |
uuid |
UUID for the headroom row. This is the UUID of the node. |
Counters
This section describes the mapping between classic (ONTAPI) numeric counter names and REST counter names.
Classic Numeric Counter | REST Counter | Description |
---|---|---|
current_utilization |
current_utilization |
Average processor utilization across all processors in the system. |
current_utilization_total |
elapsed_time |
Elapsed time since boot. |
current_ops |
current_ops |
Total number of operations per second (also referred to as dblade ops). |
current_intercluster_ops |
current_intercluster_ops |
Total number of operations per second going to the partner node. |
current_latency |
current_latency |
Current operation latency of the resource. |
service_time |
service_time |
Average service time for the CPU resource. |
optimal_point_utilization |
optimal_point.utilization |
Utilization component of the optimal point of the latency/utilization curve. |
optimal_point_latency |
optimal_point.latency |
Latency component of the optimal point of the latency/utilization curve. This |
optimal_point_ops |
optimal_point.ops |
Ops component of the optimal point derived from the latency/utilization curve. |
optimal_point_confidence_factor |
optimal_point.confidence_factor |
Confidence factor for the optimal point value based on the observed resource |
optimal_point_samples |
optimal_point.samples |
Base counter for optimal_point_utilization, optimal_point_latency, |
wafl_hipri_service_time |
wafl_high_priority.service_time |
WAFL high priority service time variance statistics. |
wafl_lopri_service_time |
wafl_low_priority.service_time |
WAFL low priority service time variance statistics. |
wafl_cppri_service_time |
wafl_cp_priority.service_time |
WAFL cp priority service time variance statistics. |
wafl_cppro_service_time |
wafl_cppro.service_time |
WAFL cp promoted priority service time variance statistics. |
wafl_hipri_interarrival_time |
wafl_high_priority.interarrival_time |
WAFL high priority inter-arrival time variance statistics. |
wafl_lopri_interarrival_time |
wafl_low_priority.interarrival_time |
WAFL low priority inter-arrival time variance statistics. |
wafl_cppri_interarrival_time |
wafl_cp_priority.interarrival_time |
WAFL cp priority inter-arrival time variance statistics. |
wafl_cppro_interarrival_time |
wafl_cppro.interarrival_time |
WAFL cp promoted priority inter-arrival time variance statistics. |
wafl_mpio_read_service_time |
wafl_mpio.read_service_time |
WAFL MP I/O successful read service time variance statistics. |
ewma_hourly |
ewma.hourly |
Hourly exponential weighted moving average for current_ops, optimal_point_ops, |
ewm_std_dev_hourly |
ewm_std_dev.hourly |
Hourly exponential weighted moving standard deviation based on one-minute |
ewma_daily |
ewma.daily |
Daily exponential weighted moving average for current_ops, optimal_point_ops, |
ewm_std_dev_daily |
ewm_std_dev.daily |
Daily exponential weighted moving standard deviation based on one-minute average |
ewma_weekly |
ewma.weekly |
Weekly exponential weighted moving average for current_ops, optimal_point_ops, |
ewm_std_dev_weekly |
ewm_std_dev.weekly |
Weekly exponential weighted moving standard deviation based on one-minute |
ewma_monthly |
ewma.monthly |
Monthly exponential weighted moving average for current_ops, optimal_point_ops, |
ewm_std_dev_monthly |
ewm_std_dev.monthly |
Monthly exponential weighted moving standard deviation based on one-minute |
normalized_4k_current_ops |
normalized_4k.current_ops |
Total number of 4k current ops (normalized). |
normalized_4k_optimal_point_ops |
normalized_4k.optimal_point_ops |
Total number of 4k optimal point ops (normalized). |
observations_skipped |
observations_skipped |
Number of observations not processed. |
Property/Counter Content Changes
This section describes any output value differences between the classic (ONTAPI) string counter and the respective REST property. It also describes array label name changes between classic array counters and respective REST array counters.
Table Aliases
This section describes aliases for aggregated tables.