- 16.20 - System Health Metrics for Teradata Aster - Teradata Workload Management

Teradata® Viewpoint User Guide

Teradata Viewpoint
Teradata Workload Management
User Guide
Metric Description
Active Sessions Number of users and applications currently connected to database
Component Down Number of nodes that are not available
Component Passive Number of nodes not processing queries but can be made ready to process queries when needed
CPU Average node CPU use
Max Disk by Node Largest percentage of used disk space on a node
Memory Average node memory use
Node CPU Skew Comparison of CPU use on the busiest node to the average node
Node I/O Skew Comparison of I/O use on the busiest node to the average node
Queen Disk Space Percentage of used disk space on the queen node
Replication Factor Number of copies of the user data
Total Space Percentage of used space to overall storage capacity