Articles by tag: spring-kafka

Kafka Idempotency: Delivery Guarantees in Practice

Configuring producer and consumer idempotency in Kafka. ProducerId, Epoch, sequence number, protection against duplicates. Migration to PostgreSQL for Outbox Pattern. For middle/senior developers.

Kafka KRaft practice Spring Boot microservices

Deploy Kafka cluster on KRaft, integrate with 4 Spring Boot services. Full producer/consumer code, docker-compose, topics with retention. For middle/senior dev.

Lags retry Spring Kafka: how to fix

Diagnosis and fix of lags in @RetryableTopic Spring Kafka under load. Increasing scheduler pool solves the problem. Metrics, threaddump, code. For middle/senior dev.