What is difference between queue and topic?

The main difference between queue and topic is that queue is the message-oriented middleware used in point to point message domain, while the topic is the message-oriented middleware used in publisher- subscriber message domain.

Does Kafka use message 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.

What is Kafka message broker?

Kafka is a message bus optimized for high-ingress data streams and replay. Kafka can be seen as a durable message broker where applications can process and re-process streamed data on disk.” Regarding the term “mature”; RabbitMQ has simply been on the market for a longer time then Kafka (2007 vs 2011, respectively).

What is the difference between topic and subscription?

Topic: A named resource to which messages are sent by publishers. Subscription: A named resource representing the stream of messages from a single, specific topic, to be delivered to the subscribing application.

Is Kafka Topic same as queue?

Kafka as a Queue A Kafka topic is sub-divided into units called partitions for fault tolerance and scalability. Consumer Groups allow Kafka to behave like a Queue, since each consumer instance in a group processes data from a non-overlapping set of partitions (within a Kafka topic).

Is it possible to implement a message queue in PostgreSQL?

RabbitMq Kafka Pulsar RocketMQ EventStore RedPand Redis Streams You might rightfully notice that not all of these are message queueing systems. Both MongoDB and PostgreSQL (and to some degree, EventStore) are general-purpose databases. However, using some of their mechanisms it’s possible to implement a message queue on top of them.

What is a message queue in RabbitMQ?

A message queue is a queue in RabbitMQ, and this “queue” in Kafka is referred to as a log, but to simplify the information in the article, I will refer to queues instead of switching to ‘log’ all the time. A message in Kafka is often called a record, but again, I will refer to messages in order to simplify the information here.

How to use the database as a message queue?

Finding Database Administrators is far easier than finding expertise with Message queue Administration. For using the Database as a queue the following features needs to be implemented: Custom code to inserts requests by Consumers and maintaining request states. Consumer needs to be implement Polling of the database to detect new messages.

What is the difference between Kafka and RabbitMQ?

RabbitMQ’s queues are fastest when they’re empty, while Kafka is designed for holding and distributing large volumes of messages. Kafka retains large amounts of data with very little overhead. People that are trying out RabbitMQ are probably not aware of the the feature lazy queues.