SAA-C03 Q647 · Analytics

Question

A solutions architect needs to build a log storage solution for a client. The client has an application that produces user activity logs that track user API calls to the application. The application typically produces 50 GB of logs each day. The client needs a storage solution that makes the logs available for occasional querying and analytics.

Accepted Answer

**Option A: S3 + Athena** satisfies every requirement optimally:

1. **Volume handling (50 GB/day):** Amazon S3 is designed for virtually unlimited storage. Over a year, this could be ~18 TB — S3 handles this effortlessly at very low cost (~$0.023/GB/month for Standard, even less with lifecycle policies to move older logs to S3 Glacier).

2. **Occasional querying:** Amazon Athena is a serverless, pay-per-query service. You only pay when you actually run queries ($5 per TB scanned). For *occasional* use, this is dramatically cheaper than running always-on infrastructure like OpenSearch or RDS.

3. **Analytics capability:** Athena supports standard SQL and integrates with AWS Glue Data Catalog for schema management. It can query structured, semi-structured (JSON, Parquet, CSV), and compresse

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