| Active Sessions |
Number of sessions with active queries |
| AMP CPU Skew |
Comparison of CPU use on the busiest AMP to the average AMP |
| AMP I/O Skew |
Comparison of disk use on the busiest AMP to the average AMP |
| AMP Worker Tasks |
Average number of AMP worker tasks in use on each AMP |
| Component Down |
Number of components, such as BYNETs or AMPs, that are down |
| (CPU) System |
Average percentage of CPU time spent in system (kernel) mode |
| (CPU) User |
Average percentage of CPU time spent in user mode |
| CPU Utilization |
Average node CPU use. CPU is calculated as the sum of the user CPU, system CPU, and wait I/O usage percentages, depending on which of these are enabled by the Teradata Viewpoint Administrator in the Monitored Systems portlet |
| (CPU) Wait I/O |
Average percentage of CPU time spent waiting for I/O |
| DBC Disk Space |
Available DBC disk space in use |
| Max Disk by AMP |
Available disk space currently in use |
| Max Spool by AMP |
Available spool space in use |
| Memory Used |
Represents an increase or decrease in the node-level memory. A null value or negative number reports as 0. |
| Node CPU Skew |
Comparison of CPU use on the busiest node to the average node |
| Node I/O Skew |
Comparison of disk use on the busiest node to the average node |
| System Heartbeat |
Canary query showing the response time of the most recent system heartbeat in milliseconds |
| Total Disk Space |
Percentage of total disk space currently in use |
| Additional Canaries |
Additional canary queries that are defined for the system and used as part of the monitoring of system health |