Kafka consumer group example. properties so that my consumer can pick messages.

Kafka consumer group example. Feb 28, 2022 · In my previous article, we had discussed how Kafka works and went through some basic Kafka terminology. Jul 23, 2025 · Therefore, you must first create a Kafka topic with a sufficient number of partitions. In this article, we would go over how Partitions and Consumer Groups work in Kafka. Consumer Group Consumers can join a group by using the same group. sh --bootstrap-server localhost:9092 --topic my-topic --create --partitions 3 --replication-factor 1 Next, start a consumer in a consumer group called 'my-first-application'. Kafka assigns the partitions of a topic to the consumer in a group, so that each partition is consumed by exactly one consumer in the group I am running kafka locally following instructions on quick start guide here, and then I defined my consumer group configuration in config/consumer. When a new process is started with the same Consumer Group name, Kafka will add that processes' threads to the set of threads available to consume the Topic and trigger a 're-balance'. Jan 8, 2024 · Learn about Kafka consumer groups and their role in enhancing scalability by enabling multiple consumers to read from the same topic in parallel. The maximum parallelism of a group is that the number of consumers in the group ← no of partitions. Apr 25, 2016 · The Consumer Group name is global across a Kafka cluster, so you should be careful that any 'old' logic Consumers be shutdown before starting new code. Consumers are assigned a subset of partitions from a topic or set of topics and can parallelize the processing of those events. In the example, the topic has 3 partitions kafka-topics. properties so that my consumer can pick messages Consumer Groups What is a consumer group in Apache Kafka? Consumer groups allow Kafka consumers to work together and process events from a topic in parallel. If you Consumer group is a multi-threaded or multi-machine consumption from Kafka topics. id. . tpemb gnuabacr ytcemze xqv refdy jksjlg txx pktkn uxyv muduezp