LouZai

Jan 17, 2024 · Backend Development

Unveiling the Core Architecture of Xxl-Job: A Lightweight Distributed Scheduler

This article walks through Xxl-Job’s core concepts, demo setup, executor initialization, job‑handler registration, scheduling thread logic, fast/slow thread‑pool optimization, routing strategies, blocking policies, and result callbacks, revealing how the lightweight distributed scheduler operates end‑to‑end.