AWS Certified Data Engineer – AssociateData Operations and MonitoringHard

A data analytics company manages several critical data pipelines using AWS Step Functions to orchestrate complex ETL workflows. Each workflow involves multiple AWS services like AWS Lambda, AWS Glue, and Amazon S3. The company needs to implement a robust monitoring solution to track the execution status of these workflows, identify bottlenecks, and receive alerts for failures. Which combination of AWS services provides the most effective and integrated solution for this requirement?

  1. AAWS CloudWatch Logs for aggregate logs, and Amazon SNS for failure notifications.
  2. BAmazon EventBridge for state change notifications, and AWS CloudTrail for API call logging.
  3. CAWS CloudWatch Metrics and Alarms for performance and failures, integrated with Amazon SNS for notifications, and AWS X-Ray for distributed tracing.
  4. DAWS Step Functions console for execution history, and AWS X-Ray for service call tracing.
Show answer & explanation

Correct answer: C. AWS CloudWatch Metrics and Alarms for performance and failures, integrated with Amazon SNS for notifications, and AWS X-Ray for distributed tracing.

This option provides a comprehensive monitoring solution. CloudWatch Metrics and Alarms are essential for tracking performance indicators and triggering alerts for deviations. SNS integrates with CloudWatch for notifications. AWS X-Ray is crucial for distributed tracing across multiple services within a Step Functions workflow, helping to identify bottlenecks and root causes of failures.

Why the other options are wrong

  • A. CloudWatch Logs are good for storing and analyzing logs, but metrics and alarms are more proactive for monitoring. SNS is good for notifications but needs a trigger source for failures.
  • B. EventBridge is good for notifications but doesn't provide deep insights into performance or bottlenecks across services. CloudTrail logs API calls, which is useful for security and auditing but not primary operational monitoring.
  • D. The Step Functions console provides execution history, but it's a manual check. X-Ray is excellent for tracing, but this option lacks a proactive alerting mechanism and comprehensive metrics.

AWS Pipeline Monitoring Stack

A combination of AWS services used to observe, track, and alert on the health and performance of data pipelines, covering execution, resource utilization, and data flow.

  • CloudWatch for metrics, logs, and alarms.
  • SNS for sending notifications.
  • X-Ray for distributed tracing across services.
  • EventBridge for event-driven automation and notifications.

Memory trick: CloudWatch's Metrics and Alarms are the Eyes, SNS the Voice, X-Ray the X-ray Vision.

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