16.10 - Overview Tab - Teradata Viewpoint

Teradata Viewpoint User Guide

Product
Teradata Viewpoint
Release Number
16.10
Published
June 2017
Language
English (United States)
Last Update
2018-03-29
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General

The Overview tab displays general information about the selected operation for a Teradata QueryGrid query session.

Metric Description Type
Query ID ID of the query String
Phase Phase of the operation String
Duration

Duration of the QueryGrid operation

Number
Config version Requested version of the QueryGrid operation Number
Link Name Name of the link used for this QueryGrid operation String

Initiator Information

Metric Description Type
System Name of the initiating system String
Total nodes Number of nodes on the initiating system Number
Total CPU Total CPU usage time consumed Number
CPU skew CPU skew for the current query Number
Data skew Ratio between the size of the data on the maximum node versus the average node Number

Transfer Information

Metric Description Type
Type Type of transfer performed String
Rows Number of rows transferred Number
Bytes Number of bytes transferred Number
Rate

Rate that data is transferred for the QueryGrid operation

Number
Bottleneck Limiting factor for the QueryGrid operation String
Compression ratio Uncompressed size divided by the compressed size Number

Target Information

Metric Description Type
System Name of the target system String
Total nodes Number of nodes on the target system Number
Total CPU Total CPU usage time consumed Number
CPU skew CPU skew for the current query Number
Data skew Ratio between the size of the data on the maximum node versus the average node Number

Bridge Information

Metric Description Type
Bridge Name of the bridge String
Total Nodes Number of nodes on the target system Number
Total CPU Total CPU usage time consumed Number
CPU skew CPU skew for the current query Number
Data skew Ratio between the size of the data on the maximum node versus the average node Number