Kafka Consumer Architecture - Consumer Groups and subscriptions This article covers some lower level details of Kafka consumer architecture. It is a continuation of the Kafka Architecture, Kafka Topic Architecture, and Kafka Producer Architecture articles. This article covers Kafka Consumer Architecture with a discussion consumer groups and how record processing is shared among a consumer group as well as failover for Kafka consumers. Cloudurable provides Kafka training, Kafka consulting, Kafka support and helps setting up Kafka clusters in AWS.
Kafka Producer Architecture - Picking the partition of records This article covers some lower level details of Kafka producer architecture. It is a continuation of the Kafka Architecture and Kafka Topic Architecture articles. This article covers Kafka Producer Architecture with a discussion of how a partition is chosen, producer cadence, and partitioning strategies. Kafka Producers Kafka producers send records to topics. The records are sometimes referred to as messages.
Kafka Topic Architecture - Replication, Failover and Parallel Processing This article covers some lower level details of Kafka topic architecture. It is a continuation of the Kafka Architecture article. This article covers Kafka Topic’s Architecture with a discussion of how partitions are used for fail-over and parallel processing. Kafka Topics, Logs, Partitions Recall that a Kafka topic is a named stream of records. Kafka stores topics in logs. A topic log is broken up into partitions.
Kafka vs JMS, SQS, RabbitMQ Messaging Is Kafka a queue or a publish and subscribe system? Yes. It can be both. Kafka is like a queue for consumer groups, which we cover later. Basically, Kafka is a queue system per consumer group so it can do load balancing like JMS, RabbitMQ, etc. Kafka is like topics in JMS, RabbitMQ, and other MOM systems for multiple consumer groups. Kafka has topics and producers publish to the topics and the subscribers (Consumer Groups) read from the topics.
If you are not sure what Kafka is, see What is Kafka?. Kafka Architecture Kafka consists of Records, Topics, Consumers, Producers, Brokers, Logs, Partitions, and Clusters. Records can have key (optional), value and timestamp. Kafka Records are immutable. A Kafka Topic is a stream of records ("/orders", "/user-signups"). You can think of a Topic as a feed name. A topic has a Log which is the topic’s storage on disk.
The Kafka Ecosystem - Kafka Core, Kafka Streams, Kafka Connect, Kafka REST Proxy, and the Schema Registry
The Kafka Ecosystem - Kafka Core, Kafka Streams, Kafka Connect, Kafka REST Proxy, and the Schema Registry The core of Kafka is the brokers, topics, logs, partitions, and cluster. The core also consists of related tools like MirrorMaker. The aforementioned is Kafka as it exists in Apache. The Kafka ecosystem consists of Kafka Core, Kafka Streams, Kafka Connect, Kafka REST Proxy, and the Schema Registry. Most of the additional pieces of the Kafka ecosystem comes from Confluent and is not part of Apache.
What is Kafka? Kafka’s growth is exploding, more than 1⁄3 of all Fortune 500 companies use Kafka. These companies includes the top ten travel companies, 7 of top ten banks, 8 of top ten insurance companies, 9 of top ten telecom companies, and much more. LinkedIn, Microsoft and Netflix process four comma messages a day with Kafka (1,000,000,000,000). Kafka is used for real-time streams of data, used to collect big data or to do real time analysis or both).
Kafka Tutorial: Kafka, Avro Serialization and the Schema Registry Confluent Schema Registry stores Avro Schemas for Kafka producers and consumers. The Schema Registry and provides RESTful interface for managing Avro schemas It allows the storage of a history of schemas which are versioned. the Confluent Schema Registry supports checking schema compatibility for Kafka. Cloudurable provides Kafka training, Kafka consulting, Kafka support and helps setting up Kafka clusters in AWS.
Running a Kafka Broker Starting brokers in Kafka is pretty straightforward, here are some simple quick start instructions. But as developers, we want to do at least a little more than just the basics. For instance my first needs were to start multiple brokers on the same machine, and also to enable JMX. Out of the box, you can simply rely on the supplied server.properties Each broker needs a unique id and needs a unique port.
Kafka Tutorial Kafka Tutorial for the Kafka streaming platform. Covers Kafka Architecture with some small examples from the command line. Then we expand on this with a multi-server example. Lastly, we added some simple Java client examples for a Kafka Producer and a Kafka Consumer. We have started to expand on the Java examples to correlate with the design discussion of Kafka. We have also expanded on the Kafka design section and added references.
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