Sage-Tips

Is Kafka pub/sub or message queue?

In a very fast, reliable, persisted, fault-tolerance and zero downtime manner, Kafka offers a Pub-sub and queue-based messaging system. Moreover, producers send the message to a topic and the consumer can select any one of the message systems according to their wish.

Can Kafka be used as a queue?

We can use Kafka as a Message Queue or a Messaging System but as a distributed streaming platform Kafka has several other usages for stream processing or storing data. Messaging System: a highly scalable, fault-tolerant and distributed Publish/Subscribe messaging system.

Can a Kafka consumer be a producer?

1 Answer. Absolutely. There is no reason why you should not be able to instantiate a consumer and a producer in the same client.

Is pub-sub event driven?

An event driven architecture can use a pub/sub model or an event stream model. Pub/sub: The messaging infrastructure keeps track of subscriptions. When an event is published, it sends the event to each subscriber. After an event is received, it cannot be replayed, and new subscribers do not see the event.

How does pub/sub work in Kafka?

Pubsub use subscriptions, you create a subscription and then you start reading messages from that subscription. Once a message is read and acknowledge, the message for that subscription is gone.

What is Kafka consumer group?

Kafka assigns the partitions of a topic to the consumer in a group, so that each partition is consumed by exactly one consumer in the group. Kafka guarantees that a message is only ever read by a single consumer in the group. Consumers can see the message in the order they were stored in the log.

When should you not use a pub-sub?

Synchronous point-to-point communication between the two endpoints is the best solution for media streaming. Pub/Sub is not suitable for carrying VoIP or video telephony traffic over the Internet.

How does pub/sub work?

A pub/sub model allows messages to be broadcasted asynchronously across multiple sections of the applications. The core component that facilitates this functionality is something called a Topic. The publisher will push messages to a Topic, and the Topic will instantly push the message to all the subscribers.