Tips and tricks AWS Solutions Architect Associate #10

inesis (KDS, Firehose, Analytics)

• Kinesis Data Streams (KDS): Real-time data streaming; replayable up to 7 days.

• Kinesis Firehose: Delivers streaming data to S3, Redshift, or HTTP endpoints (fully managed, no storage).

• Kinesis Data Analytics: Real-time (RT) analytics on streaming data.

• EventBridge: Event bus that integrates AWS services with third-party apps.

• Autoscaling: Adjusts shard capacity automatically.

• Use Case: Ingest → process → feed into data stores, dashboards, ML pipelines, etc.

SNS (Simple Notification Service)

• Pub/Sub messaging system.

• Scales to 100,000 topics and up to 12M subscriptions.

• Can filter messages by attributes.

• Use cases: fan-out notifications, mobile push, microservices decoupling.

SQS (Simple Queue Service)

• Fully managed message queue (unlimited throughput).

• Message retention: up to 14 days.

• Visibility timeout: prevents duplicate processing.

• Long polling: reduces empty responses.

• FIFO queues: guaranteed order + exactly-once delivery.

  • Performance: 3000 msgs/s with batching, 300 msgs/s without batching.

• Use cases: decoupling, buffering between producers/consumers, reliable async communication.