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4 Benefits of Using Apache Kafka in Lieu of AMQP or JMS

Authors Photo Christy Wilson | May 3, 2020

Apache Kafka is the kind of product that is relatively easy to describe at a high level, but when it comes down to explaining the deeper advantages and potential use cases, it gets a bit harder to fully express. Fortunately, Kafka does have excellent documentation, which delves nicely into all of the design and implementation features and functionality.

What is Apache Kafka?

To sum it up as briefly as possible, Kafka is a distributed publish-subscribe messaging system that was created as a fast, scalable, and durable alternative to existing solutions. It is designed to broker enormous message streams for extremely low-latency analysis within cloud platforms. 

Kafka is particularly useful for working with real-time data, such as that related to managing semi-truck fleets and industrial HVAC units.
Kafka is particularly useful for working with real-time data, such as that related to managing semi-truck fleets and industrial HVAC units.

Kafka keeps up with feeds of messages within topics. Producers create the data within the topics and consumers read from those topics. Kafka is distributed, therefore, topics are separated by partitions and replicated across various nodes. These messages are just simple byte arrays; the developers can utilize them in order to store any object in any format that they wish, including Avro, JSON, and String. Developers can also opt to attach a key to a message, guaranteeing that all messages with that specific key will get to the same partition.

During consumption from a topic, you can also configure a group with multiple consumers. Each of the consumers in a specific group will access messages from a particular subset of partitions within the topics they subscribe to. This will assure that every message is delivered to one consumer in the group, and all of the messages that carry the same key make it to the same consumer.

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The uniqueness of Kafka lies in the fact that it handles each topic partition as a log (that is, an ordered set of messages), and that every message within a given partition is assigned a unique, one-of-a-kind offset. Kafka doesn’t try to track which message was actually read by what consumer and just hold on to unread messages. Instead, it holds all of the messages for a pre-specified amount of time, and consumers are charged with tracking their location within each log. So, Kafka is able to support a huge quantity of consumers and hold tremendous amounts of data without incurring much at all in the way of overhead.

The benefits of using Kafka vs. AMQP or JMS

Kafka was designed to deliver these distinct advantages over AMQP, JMS, etc.

  1. Kafka is highly scalable. Kafka is a distributed system, which is able to be scaled quickly and easily without incurring any downtime. Apache Kafka is able to handle many terabytes of data without incurring much at all in the way of overhead.
  2. Kafka is highly durable. Kafka persists the messages on the disks, which provides intra-cluster replication. This makes for a highly durable messaging system.
  3. Kafka is Highly Reliable. Kafka replicates data and is able to support multiple subscribers. Additionally, it automatically balances consumers in the event of failure. That means that it’s more reliable than similar messaging services available.
  4. Kafka Offers High Performance. Kafka delivers high throughput for both publishing and subscribing, utilizing disk structures that are capable of offering constant levels of performance, even when dealing with many terabytes of stored messages.

Kafka is a natural companion to your enterprise cloud infrastructure if you need a real-time solution that provides ultra-fast and reliable messaging services.

Precisely Connect can help you fully integrate your legacy systems into cloud platforms and analytics engines by streaming to Kafka, gaining real-time access to legacy data while eliminating the costs and delays of manual data integration processes.

For more information, read our eBook: Streaming Legacy Data to Kafka – Real Industry Stories