Notification Service With Kafka In Pima
Description
Form popularity
FAQ
How to Produce a Message into a Kafka Topic using the CLI? Find your Kafka hostname and port e.g., localhost:9092. If Kafka v2. 5+, use the --bootstrap-server option. If older version of Kafka, use the --broker-list option. Provide the mandatory parameters: topic name. Use the kafka-console-producer.sh CLI as outlined below.
The notification email service consumes email requests from the Kafka notification topic and processes them to send them to a third-party service. Modules like PT, TL, PGR etc make use of this service to send messages through the Kafka Queue.
How to create a Kafka topic? If Kafka v2. 2+, use the Kafka hostname and port e.g., localhost:9092. If older version of Kafka, use the Zookeeper URL and port e.g. localhost:2181. Provide the mandatory parameters: topic name, number of partitions and replication factor. Use the kafka-topics.sh CLI with the --create option.
Start Producer to Send Messages Using the following command line, you can get the Producer to send messages - bin/kafka-console-producer.sh --broker-list localhost:9092 --topic topic-name. You will need to input two parameters here - Broker list or the list of brokers we want to send messages to and the Topic name.
Kafka stands out for its ability to handle high throughput and provide scalability, fault tolerance, and message retention. These features make Kafka ideal for a notification system where reliability and real-time processing are crucial.
Kafka can not push notifications to consumers. Consumers have to keep polling/consuming messages in order to receive them. This is the only way messages stored in Kafka can flow to consumers. The Consumer Design section in the Apache Kafka documentation explains why "consumer pulling" was choosed over "broker pushing".
How to Produce a Message into a Kafka Topic using the CLI? Find your Kafka hostname and port e.g., localhost:9092. If Kafka v2. 5+, use the --bootstrap-server option. If older version of Kafka, use the --broker-list option. Provide the mandatory parameters: topic name. Use the kafka-console-producer.sh CLI as outlined below.
In order to send messages with both keys and values you must set the parse. key and key. separator properties on the command line when running the producer.