Apache Kafka, in simple terms, is a distributed publish-subscribe messaging system that gets data from various data sources and makes this data available in real-time to the systems in the target. It is written in Java and Scala and is generally associated with stream processing Big Data in real-time. It tends to facilitate asynchronous data exchange between various applications, processes, and servers.
It is a distributed streaming platform that has the following capabilities:
- Subscribe as well as publish streams of data. It is similar to an enterprise messaging system or a messaging queue.
- Its fault-tolerant feature allows it to store streams of data in a durable manner.
- It processes streams of data when they occur.
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You should also check out this Kafka video available on YouTube: