
| Service/Technology | Role |
|---|---|
| Amazon MSK (Managed Kafka) | Streaming ingestion of real-time events. |
| Amazon EMR (Apache Spark) | Stream processing & ETL with Spark Structured Streaming. |
| Amazon Keyspaces (Cassandra) | Persistent storage for processed data. |
| AWS Step Functions | Orchestration of Kafka → Spark → Cassandra pipeline. |
| Amazon CloudWatch | Monitoring throughput, latency, and job health. |
| Amazon S3 | Storage of Spark job checkpoints & logs. |
| Amazon Athena | Query benchmarking results and logs in S3. |
| Amazon QuickSight | Visualization of performance and cost metrics. |