Key points

• Managed Service for Apache Flink supports stateful event-time processing with checkpoints for recovery.
• Use it for windows, joins, and other computations whose results depend on state across records.

Best-known use cases

• Compute stateful, event-time aggregations over continuously arriving data.
• Join and enrich streams while preserving application state through recovery.

What candidates often confuse it with

• Flink handles stateful stream computation; Lambda is better suited to bounded per-record work with no retained processing state.

Key takeaway

Choose Managed Service for Apache Flink when continuous processing requires event-time windows or recoverable application state.

Relevant exam tasks

• D1.1 — Task 1.1: Perform data ingestion
• 1.1.12 — Define stateful and stateless data transactions.
• D1.2 — Task 1.2: Transform and process data
• 1.2.5 — Implement data transformation services based on requirements (for example, Amazon EMR, AWS Glue, Lambda, Amazon Redshift).

Learn more

• DEA-C01 in-scope services
• DEA-C01 Domain 1: Data Ingestion and Transformation