The image shows the directory structure to be maintained inside the Terraform directory. Here, Region 1, Region 2 etc. are directories within your Terraform directory. Terraform directory is the one that gets created when you install Terraform. Each region has a separate configuration (nosql.tf) file. You can edit the table limits pertaining to each region in its corresponding configuration file. Import the existing table to the replica region and apply the changes. On confirming, the read and write units of the table in the region are modified.