TopolearnCloud costs scale with usage and mistakes; visibility and the right discounts often save 30% or more.
Cost control is visibility first, then discounts, then architecture.
Visibility:
- Budgets on a billing account, optionally scoped to projects, services or labels, send alerts at thresholds of actual or forecasted spend. They do not stop spending; for a hard stop you would wire the budget's Pub/Sub notifications to automation.
- Billing export to BigQuery gives line-item costs (standard or detailed per-resource), queryable with SQL and connectable to dashboards.
- Labels (
team=checkout,env=prod) on resources flow into the export, enabling chargeback. Agree on a label scheme early and enforce it in Terraform.
Discounts:
- Committed use discounts: commit to resources or spend for 1 or 3 years for large savings on steady workloads (Compute Engine, Cloud SQL, Cloud Run, GKE and more).
- Sustained use discounts apply automatically to some VM families that run most of the month.
- Spot VMs and Spot GKE nodes for interruptible work.
Waste: the Recommender flags idle VMs, oversized machines, unattached disks and unused IPs. Common leaks are forgotten static IPs and disks, log ingestion, BigQuery SELECT *, cross-region egress, and non-zero min instances on idle services.
Review cost weekly per project and label; surprises found in a week are cheap.
Example
gcloud billing budgets create --billing-account=01AB23-45CD67-89EF01 \
--display-name="shop-prod monthly" --budget-amount=2000USD \
--filter-projects=projects/shop-prod-1234 \
--threshold-rule=percent=0.5 --threshold-rule=percent=0.9 \
--threshold-rule=percent=1.0,basis=forecasted-spend
# Top services last month from the standard billing export
bq query --use_legacy_sql=false '
SELECT service.description AS service,
ROUND(SUM(cost) + SUM(IFNULL((SELECT SUM(c.amount) FROM UNNEST(credits) c), 0)), 2) AS net
FROM `shop-billing.billing_export.gcp_billing_export_v1_01AB23_45CD67_89EF01`
WHERE invoice.month = "202609"
GROUP BY service ORDER BY net DESC LIMIT 5'Remember
- Budgets alert; they do not cap spend
- Billing export + labels = cost per team and environment
- CUDs for steady load, Spot for interruptible, Recommender for waste
Watch out for
- Creating a budget and assuming it will stop a runaway workload.