Amazon Managed Service for Apache Flink

Stream processing with Apache Flink

Runs managed Apache Flink applications (Java, Scala, Python, SQL) to analyze real-time streaming data: time-window aggregations, anomaly detection. Formerly Kinesis Data Analytics.

Cost$$ Medium
Difficulty●●●●●
Costs money when idle?Yes
Managed by AWS
In examsSAA

Scope: Regional

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Think of it asLike an inspector standing beside the conveyor belt, counting and examining each item as it passes.

When to use it

✓ Use it when

You need stateful computation on streams: real-time windows, joins, aggregations.

✗ Avoid it when

Only need to move data, no computation → Data Firehose / Lambda.

Common uses

Count transactions per minute to detect fraud
Aggregate IoT metrics by time window
Join two real-time streams

What does it cost?

Pricing model: Charged per KPU-hour (processing unit) of the running application, plus application storage.

Reference prices for us-east-1, updated October 14, 2026; they may have changed. Always check the AWS pricing page.

Related services

SAA-C03 study guide

Managed Flink is covered in these study modules:

Data analytics

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