How to perform timing tasks, and distributed task scheduling

Stand-alone: ​​quartz, or spring task, or use @Scheduled annotation.
If you use @Scheduled fixedDelay and thread pool, you can execute tasks ¹ and ^{2 in} cycles

Distributed task scheduling system: elastic-job ³ , xxl-job and other
elastic-job: based on quartz, coordinated by zookeeper, and elect leader. The leader performs task fragmentation, and the fragmentation logic includes modulo, etc.

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1. About the understanding of fixedDelay and fixedRate in @Scheduled↩︎

2. Spring practice regular tasks of ↩︎

3. Elastic-Job Task Scheduler distributed - service middleware ↩︎