AWS Certified Data Engineer – AssociateData Operations and MonitoringMedium
A data engineering team operates a critical data pipeline that ingests data into Amazon S3, processes it with AWS Glue, and loads it into Amazon Redshift. The pipeline runs hourly. The team has implemented comprehensive monitoring using AWS CloudWatch for metrics and alarms. To proactively identify and address potential cost overruns, they need to monitor the spending specifically associated with this pipeline and receive alerts if costs exceed predefined thresholds. Which AWS service is best suited for setting up cost-based alerts for this specific pipeline?
- AAWS Budgets with cost allocation tags.
- BAWS CloudWatch Alarms on service quotas.
- CAmazon SNS topics for billing notifications.
- DAWS Cost Explorer with usage types.
Show answer & explanationAnswer & explanation
Correct answer: A. AWS Budgets with cost allocation tags.
AWS Budgets is the ideal service for setting up custom cost and usage alerts. By applying cost allocation tags to all resources associated with the data pipeline (S3 buckets, Glue jobs, Redshift cluster), the team can create a budget specifically for the pipeline's tagged resources and receive alerts when actual or forecasted costs exceed their defined thresholds.
Why the other options are wrong
- B. CloudWatch Alarms monitor operational metrics or service quotas, not directly monetary costs, especially not aggregated costs across multiple services for a specific pipeline.
- C. SNS can send notifications, but it needs a source to trigger those notifications. It doesn't inherently provide the cost monitoring and thresholding capabilities needed for specific pipeline costs.
- D. AWS Cost Explorer is for analyzing past costs and predicting future costs, but it's not primarily for setting up proactive, threshold-based alerts on specific project costs without explicit budget definitions.
AWS Budgets for Cost Control
An AWS service that allows users to set custom budgets to track their costs and usage, and to receive alerts when actual or forecasted amounts exceed the budgeted thresholds.
- Tracks costs, usage, or reservation utilization/coverage.
- Can be scoped to specific services, linked accounts, or cost allocation tags.
- Sends alerts via SNS or email when thresholds are breached.
Memory trick: Budget with Tags: Track your pipeline's cash, not just its lags.