16.50 - Node Overview Tab for Teradata Aster - Teradata Workload Management

Teradata® Viewpoint User Guide

Teradata Viewpoint
Teradata Workload Management
January 2021
User Guide

The Overview tab displays detailed information about the selected node. The metric values provide a snapshot of Teradata Aster system status.

Node Information

Node Info Description
State State of the node
Type Values for node types are as follows:
  • Worker nodes hold the data and process the queries
  • Queen nodes manage the process, including the performance of the other nodes and delegation of queries
  • Loader nodes transfer data in and out of virtual workers
Virtual Workers Number of virtual workers on the node
IP Address IP address of the node
Rack ID User-defined name that specifies the physical location of the node
Up Since Date and time the node came online

Virtual Worker Information

Virtual Worker Info Description
Index The partition number corresponding to a virtual worker
Status Current operating condition of the virtual worker
Type Values for virtual worker types are as follows:
  • Primary is the virtual worker in which the first copy of data is inserted by Teradata Aster
  • Replica is the virtual worker in which a copy of the data is inserted by Teradata Aster
Data Size Amount of data on the virtual worker
Nodes with Replicas List of nodes that contain a copy of the virtual worker data