![]() For an example /A/B/C denote the path to zNode C, where C has B as its parent and B has A as its parent. Zookeeper follows standard unix notations for file paths. It introduced as Data Tree and nodes introduced as zNodes. Zookeeper storing its data on tree like structure. Zookeeper provides multiple features for distributed applications like distributed configuration management, leader election, consensus handling, coordination and locks etc. Zookeeper is distributed systems configuration management tool. Producer distributes all the messages with same key into same partition. When publishing, message can be attached to a key. Messages in Kafka are simple byte arrays( String, JSON etc). ![]() Since Kafka is a distributed system, topics are partitioned and replicated across multiple nodes. Producers write data to topics and consumers read from topics. Like many publish-subscribe messaging systems, Kafka maintains feeds of messages in topics. We can introduce Kafka as Distributed Commit Log which follows publish subscribe architecture. Kafka is Fast, Scalable, Durable, and Fault-Tolerant publish-subscribe messaging system which can be used to real time data streaming. Please clone the repo and continue the post. All the deployment which related to deploying kafka and zookeeper can be found in gitlab. Then I will show how to deploy single node kafka, zookeeper service with docker. In this post I’m gonna discuss about some internal details of kafka and zookeeper.
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