Skew View for Teradata Database - Teradata Viewpoint - Teradata Workload Management

Teradata® Viewpoint User Guide

Product
Teradata Viewpoint
Teradata Workload Management
Release Number
17.10
Published
February 2022
Language
English (United States)
Last Update
2022-06-28
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lks1628075605455.ditamap
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B035-2206
lifecycle
previous
Product Category
Analytical Ecosystem
The Skew view displays details about the level of skew in the query or session. The Skew view does not display when the Delay view 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 Average CPU utilization or I/O count across all AMPS
3rd Lowest AMP with the third lowest CPU utilization or I/O count
2nd Lowest AMP with the second lowest CPU utilization or I/O count
Lowest AMP with the lowest CPU utilization or I/O count
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