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This article addresses the timeout issue encountered when using Kafka AdminClient in Docker environments, focusing on misconfigurations of listeners and advertised.listeners. By analyzing the root cause and providing a step-by-step solution based on best practices, it helps users correctly configure Kafka network settings to ensure connectivity from the host to Docker container services.

This article provides an in-depth exploration of various methods to obtain message counts in Apache Kafka topics, with emphasis on the limitations of consumer-based approaches and detailed Java implementation using AdminClient API. The content covers Kafka stream characteristics, offset concepts, partition handling, and practical code examples, offering comprehensive technical guidance for developers.

This paper provides an in-depth technical analysis of consumer group management and monitoring in Apache Kafka, focusing on the utilization of kafka-consumer-groups.sh script for retrieving consumer group lists and detailed information. It examines the methodology for monitoring discrepancies between consumer offsets and topic offsets, offering detailed command examples and theoretical insights to help developers master core Kafka consumer monitoring techniques for effective consumption progress management and troubleshooting.