Let's take a look at each component in detail:
- Producers: Producers publish messages to a specific Kafka topic. Producers may attach a key to each message record. By default, producers publish messages to topic partitions in round robin fashion. Sometimes, producers can be configured to write messages to a particular topic partition based on the hash value of message key.
- Topic: All messages are stored in a topic. A topic is a category or feed name to which records are published. A topic can be compared to a table in a relational database. Multiple consumers can be subscribed to a single topic to consume message records.
- Partition: A topic is divided into multiple partitions. Kafka offers topic parallelism by ...
