Kafka Overview（1）- Topic

Agenda

• Kafka Architecture
  • Basic concepts(topic/partition/consumer group/commit log/offset)
• Delver into the process of sending a message to the broker
• Technical Highlights

Architecture - Overview

Architecture - Detail

Architecture - Basic Concepts

Topics

A Kafka topic defines a channel through which data is streamed.Producers publish messages to topics,and consumers read messages from the topic they subscribe to.

Topics organize and structure messages,with particular types of messages published to particular topics.Topics are identified by unique names within a Kafka cluster, and there is no limit on the number of topics that can be created.

Related

• Kafka Overview（2）- partition
• Kafka Overview(3)-Consumer Group
• Kafka Overview(4) - Commit Log & offset
• Kafka Overview(5) - Process of sending