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What are the major components of Kafka?

Deepika Sahu answered on December 17, 2022 Popularity 3/10 Helpfulness 1/10

answer What are the major components of Kafka?

What are the major components of Kafka?

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Topic:
A Topic is a category or feed in which records are saved and published.
Topics are used to organize all of Kafka's records. Consumer apps read data from topics, whereas producer applications write data to them. Records published to the cluster remain in the cluster for the duration of a configurable retention period.
Kafka keeps records in the log, and it's up to the consumers to keep track of where they are in the log (the "offset"). As messages are read, a consumer typically advances the offset in a linear fashion. The consumer, on the other hand, is in charge of the position, as he or she can consume messages in any order. When reprocessing records, for example, a consumer can reset to an older offset.
Producer:
A Kafka producer is a data source for one or more Kafka topics that optimizes, writes, and publishes messages. Partitioning allows Kafka producers to serialize, compress, and load balance data among brokers.
Consumer:
Data is read by consumers by reading messages from topics to which they have subscribed. Consumers will be divided into groups. Each consumer in a consumer group will be responsible for reading a subset of the partitions of each subject to which they have subscribed.
Broker:
A Kafka broker is a server that works as part of a Kafka cluster (in other words, a Kafka cluster is made up of a number of brokers). Multiple brokers typically work together to build a Kafka cluster, which provides load balancing, reliable redundancy, and failover. The cluster is managed and coordinated by brokers using Apache ZooKeeper. Without sacrificing performance, each broker instance can handle read and write volumes of hundreds of thousands per second (and gigabytes of messages). Each broker has its own ID and can be in charge of one or more topic log divisions.
ZooKeeper is also used by Kafka brokers for leader elections, in which a broker is chosen to lead the handling of client requests for a certain partition of a topic. Connecting to any broker will bring a client up to speed with the entire Kafka cluster. A minimum of three brokers should be used to achieve reliable failover; the higher the number of brokers, the more reliable the failover.

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Contributed on Dec 17 2022

Deepika Sahu

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What are the major components of Kafka?

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