ShiZhen AI

Oct 11, 2022 · Backend Development

How Kafka Consumer Clients Send and Manage Heartbeat Requests

The article walks through the Kafka consumer heartbeat lifecycle, detailing how the HeartbeatThread is started, paused, and used to send heartbeat and LeaveGroup requests, how the GroupCoordinator validates and processes these requests, the client’s response handling, and the resulting state transitions illustrated with diagrams.