Q: What are the key components of Kafka (producer, consumer, topic, broker)?

Key components include: Producer : Sends messages to Kafka topics. Consumer : Reads messages from Kafka topics. Topic : A message category, divided into partitions for scalability and organization. Broker : A Kafka server that stores messages, handles client requests, and manages data replication.

Question 1

What is Apache Kafka?

Accepted Answer

Apache Kafka is a distributed streaming platform for building real-time data pipelines and applications. It supports scalable and efficient publishing, subscribing, storing, and processing of data streams.

Question 2

What are the key components of Kafka (producer, consumer, topic, broker)?

Accepted Answer

Key components include:

Producer: Sends messages to Kafka topics.
Consumer: Reads messages from Kafka topics.
Topic: A message category, divided into partitions for scalability and organization.
Broker: A Kafka server that stores messages, handles client requests, and manages data replication.

Question 3

How is Kafka different from traditional queuing systems?

Accepted Answer

Kafka differs from traditional queuing systems in that it stores messages on disk even after they have been consumed. It supports high throughput, horizontal scalability, and fault tolerance through data replication. Consumer groups enable parallel and scalable message processing.

Question 4

What does the Kafka visualization tool do?

Accepted Answer

The Kafka visualization tool simulates the flow of data through a replicated Kafka topic. It helps you understand Kafka's core concepts, including partitions, brokers, and replication.

Question 5

What do transparent (faded) messages represent?

Accepted Answer

Transparent (faded) messages represent follower replicas of the original data. In Kafka, each partition has a leader, which handles reads and writes, and one or more followers, which replicate the data. These replicas are distributed across different brokers to provide fault tolerance, high availability, and durability, even in the event of a broker failure.

Question 6

Why are topics not shown in the configuration?

Accepted Answer

To keep the simulation simple, the tool uses a single Kafka topic instead of showing multiple ones. All brokers in the simulation belong to that topic. This helps you focus on how messages flow and replicate across brokers, which are key concepts in Kafka's distributed architecture.

Kafka Visualization

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Kafka Visualization FAQ