1.9 KiB
1.9 KiB
Apache Kafka
Kafka Exercises
| Name | Topic | Objective & Instructions | Solution | Comments |
|---|
Kafka Self Assessment
Kafka 101
What is Kafka?
kafka.apache.org: "Apache Kafka is an open-source distributed event streaming platform used by thousands of companies for high-performance data pipelines, streaming analytics, data integration, and mission-critical applications."
In other words, Kafka is a sort of distributed log where you can store events, read them and distribute them to different services and do it in high-scale and real-time.
What Kafka is used for?
- Real-time e-commerce
- Banking
- Health Care
- Automotive (traffic alerts, hazard alerts, ...)
- Real-time Fraud Detection
What is a "Producer" in regards to Kafka?
An application that publishes data to the Kafka cluster.
Kafka Architecture
What's in a Kafka cluster?
- Broker: a server with kafka process running on it. Such server has local storage. In a single Kafka clusters there are usually multiple brokers.
What is the role of ZooKeeper is Kafka?
In Kafka, Zookeeper is a centralized controller that manages metadata for producers, brokers, and consumers. Zookeeper also:
- Tracks which brokers are part of the Kafka cluster
- Determines which broker is the leader of a given partition and topic
- Performs leader elections
- Manages cluster membership of brokers