Help Center> MapReduce Service> Developer Guide (2.x and Earlier)> Kafka Application Development> Overview> Basic Concepts
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Basic Concepts

  • Topic

    Messages of the same type maintained by the Kafka are called a topic.

  • Partition

    Each topic can be divided into multiple partitions. Each partition corresponds to an appendant log file whose sequence is fixed.

  • Producer

    The role that sends messages to a Kafka topic is called Producer.

  • Consumer

    The role that obtains messages from Kafka topics is called Consumer.

  • Broker

    Each node server in the Kafka cluster is called a Broker.

Parent topic: Overview