CDH

Teradata® Viewpoint User Guide

brand
Analytical Ecosystem
prodname
Teradata Viewpoint
Teradata Workload Management
vrm_release
16.20
category
User Guide
featnum
B035-2206-107K

Summary View Metrics

Metric Description
Unhealthy Services Aggregate number of all CDH services in a Bad or Concerning state (Unknown and Disabled are not included)
Applications Running Number of YARN applications currently executing
Cluster Memory Allocated Percent of available memory allocated across all NodeManager instances
HDFS Max Node I/O Highest I/O level in bytes on any node in the HDFS system
HDFS Disk Usage Percentage of space being used

YARN Metrics

Metric Description
Applications Failed Number of YARN applications that failed to execute successfully
Applications Completed Number of YARN applications that executed successfully
Applications Running Number of YARN applications currently executing
Cluster Memory Allocated Percent of available memory allocated across all NodeManager instances
Cluster Memory Reserved Percent of available memory reserved across all NodeManager instances
Cluster Memory Skew Comparison of the largest NodeManager memory allocated to the average memory allocated
Containers Allocated Number of YARN containers currently allocated across the cluster
Containers Pending Number of YARN containers currently pending across the cluster
Containers Reserved Number of YARN containers currently reserved across the cluster
NodeManagers Number of nodemanagers in a bad (critical), concerning (degraded), and good state

Unknown and disabled states display when there are one or more in those states

ResourceManager Up Since Timestamp when the ResourceManager service started
ResourceManager Heap Percentage of heap space used in the ResourceManager JVM
ResourceManager UI Open web interface for the service in a new window

HDFS Metrics

Metric Description
Capacity Usage Percentage of used space to overall storage capacity
Datanodes Number of datanodes in a bad (critical), concerning (degraded), and good state

Unknown and disabled states display when there are one or more in those states

Files + Directories Total Total number of files and directories in HDFS
Namenode Up since Timestamp when the namenode service started
Namenode Heap Percentage of heap space used in the namenode JVM
Namenode UI Open web interface for the service in new window

HBase Metrics

Metric Description
Load Average Average region load per region server
Region Servers Number of region servers in a bad (critical), concerning (degraded), and good state

Unknown and disabled states display when there are one or more in those states

Master Server Up since Timestamp when the master server started
Master Server Heap Percentage of heap space used in the master server JVM
Master Server UI Open web interface for the service in new window

Other Services Metrics

Metric Description
Bad Services in a critical state
Concerning Services in a degraded state
Disabled Services in a disabled state when there are one or more in this state
Good Services in a good state
Unknown Services in a unknown state when there are one or more in this state