Xiaolin Talks Programming

Jul 24, 2026 · Backend Development

High-Availability Distributed Task Scheduling with Spring Boot & PowerJob: Production Hardening Guide

This guide shares a year of production experience migrating from basic @Scheduled to PowerJob for high-availability distributed task scheduling, covering Spring Boot integration, DAG workflow orchestration, MapReduce sharding, lease-based failover, JVM tuning, metadata DB protection, and idempotency patterns.