Elasticity | Teradata Vantage on Azure (DIY) - 2.3 - Elasticity - Teradata Vantage on Azure

Teradata Vantage™ on Azure (DIY) Installation and Administration Guide

Teradata Vantage on Azure
Release Number
April 2022
English (United States)
Last Update

[Base, Advanced, and Enterprise tiers only] You can scale up or down and scale out or in your system after deployment using the command line.

Refer to this table to determine which option is appropriate for your use case.

Action Effect Scale Up1 Scale Down1 Scale Out2 Scale In2
Decrease CPU count Decreases performance    
Decrease memory size Decreases performance    
Decrease storage bandwidth of VMs Increases data disks managed per VM    
Increase CPU count Increases performance    
Increase memory size Increases performance    
Increase storage bandwidth of VMs Decreases data disks managed per VM    
Increase VM count Changes infrastructure and software costs      
Replace VMs Redistributes premium data disks across VMs      
  • 1Maintains the AMP count and changes the VM size
  • 2Maintains the AMP count but does not change the VM size

Both scaling out and scaling in support only premium storage.

See the Orange Book, Elasticity in the Teradata® Database, TDN-0009703. To find an Orange Book, go to https://support.teradata.com, log in, and search for the book title.