Help Center/ MapReduce Service/ Developer Guide (Normal_3.x)/ Kafka Development Guide (Security Mode)/ Overview/ Common Concepts
Updated on 2022-08-16 GMT+08:00
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Common Concepts

  • Topic

    A same type of messages maintained by Kafka.

  • Partition

    One topic can be divided into multiple partitions, and each partition corresponds to an appendant and log file whose sequence is fixed.

  • Producer

    Role in a Kafka topic to which messages are sent.

  • Consumer

    Role that obtains messages from Kafka topics.

  • Broker

    A node server in a Kafka cluster.

  • keytab file

    A key file for storing user information. Applications use the key file for API authentication in the cluster.

Parent topic: Overview