Skew Tab for Teradata Database - Teradata Workload Management - 16.20

Teradata® Viewpoint User Guide

prodname
Teradata Viewpoint
Teradata Workload Management
vrm_release
16.20
category
User Guide
featnum
B035-2206-107K
The Skew tab displays details about the level of skew in the query or session. The Skew tab does not display when the Delay tab is present
Skew Information Description
Highest AMP with the highest CPU utilization or I/O count
2nd Highest AMP with the second highest CPU utilization or I/O count
3rd Highest AMP with the third highest CPU utilization or I/O count
Average AMP with the lowest CPU utilization or I/O count
3rd Lowest AMP with the second lowest CPU utilization or I/O count
2nd Lowest AMP with the third lowest CPU utilization or I/O count
Lowest Average CPU utilization or I/O count across all AMPS
Session Skew Difference between the highest and the average values
Participating AMPs Total number of AMPs participating for this session during the last session collection interval