Cloud SQL pricing in GCP - Commands & Configuration

Introduction

Cloud SQL pricing helps you understand how much it costs to run a managed database in Google Cloud. It shows the price based on the resources you use, like storage, CPU, and network traffic.

When you want to estimate the monthly cost before creating a Cloud SQL instance.

When you need to compare costs between different database sizes or machine types.

When you want to control your budget by choosing the right storage and CPU options.

When you want to understand how backups and network usage affect your bill.

When you plan to optimize your database setup to reduce costs.

Commands

This command shows the configuration details of your Cloud SQL instance, which helps you understand what resources are being used and how pricing applies.

Terminal

gcloud sql instances describe example-instance --format=json

Expected Output

{

  "name": "example-instance",

  "databaseVersion": "POSTGRES_14",

  "settings": {

    "tier": "db-custom-2-7680",

    "dataDiskSizeGb": 100,

    "dataDiskType": "PD_SSD",

    "activationPolicy": "ALWAYS",

    "backupConfiguration": {

      "enabled": true,

      "startTime": "03:00"

    }

  },

  "region": "us-central1"

}

→

--format=json - Outputs the instance details in JSON format for easy reading and parsing.

This command lists recent operations on your Cloud SQL instance, including backups and maintenance, which can affect pricing.

Terminal

gcloud sql operations list --instance=example-instance

Expected Output

NAME          TYPE          STATUS    START_TIME           END_TIME

operation-1   BACKUP_RUN   SUCCESS   2024-06-01T03:00:00Z 2024-06-01T03:10:00Z

operation-2   UPDATE       SUCCESS   2024-05-25T12:00:00Z 2024-05-25T12:05:00Z

This command shows all your Cloud SQL instances with their basic info, helping you track how many instances you have that contribute to your costs.

Terminal

gcloud sql instances list

Expected Output

NAME               REGION        DATABASE_VERSION

example-instance    us-central1   POSTGRES_14

Key Concept

If you remember nothing else from Cloud SQL pricing, remember: your cost depends on the machine type, storage size and type, backups, and network usage.

Common Mistakes

Ignoring backup configuration costs

Backups use storage and can increase your bill if not managed properly.

Check backup settings and storage usage regularly to control costs.

Choosing a machine type without considering workload needs

Over-provisioning CPU and memory leads to unnecessary expenses.

Select machine types that match your actual database workload.

Not monitoring network egress charges

Data sent outside Google Cloud can add to your bill unexpectedly.

Review network usage and optimize data transfer to reduce costs.

Summary

Use 'gcloud sql instances describe' to see your instance's resource settings that affect pricing.

Check recent operations like backups with 'gcloud sql operations list' to understand additional costs.

List all instances with 'gcloud sql instances list' to track your total Cloud SQL usage.