Efficient Ops

Jun 28, 2021 · Backend Development

Why a Single Kafka Broker Failure Stops All Consumers – Understanding HA

This article explains Kafka's high‑availability mechanisms, covering multi‑replica design, ISR synchronization, leader election, the impact of the request.required.acks setting, and how the default __consumer_offset topic can become a single point of failure, with concrete steps to fix it.