Master the Art of Task Scheduling
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Questions and Answers

什么是任务调度?

  • 在多台机器上自动完成特定任务
  • 在特定时间自动完成特定任务 (correct)
  • 手动完成特定任务
  • 在多台机器上手动完成特定任务
  • 为什么需要分布式调度?

  • 控制多个任务同时开始
  • 避免程序或系统错误
  • 处理大量数据或任务
  • 高可用性和防止任务重复执行 (correct)
  • Spring提供哪个注释来实现调度?

  • @TaskScheduling
  • @EnableScheduling
  • @Scheduled (correct)
  • @SpringScheduling
  • Study Notes

    • Task scheduling is the process of automatically completing specific tasks at scheduled times.
    • Distributed scheduling is needed for high availability and to prevent duplicate execution of tasks.
    • In single-machine scheduling, if there is an error in the program or system, the function becomes unavailable.
    • In multi-machine scheduling, without proper control, multiple tasks can start at the same time leading to confusion and errors.
    • Single-machine processing has limitations in handling large volumes of data or tasks.
    • Spring provides the @Scheduled annotation to implement scheduling.
    • To use @Scheduled, the annotation must be added to the method in the business class, and the @EnableScheduling annotation to the start-up class.
    • Distributed scheduling is necessary for high availability, prevention of duplicate execution, and handling large volumes of data or tasks.
    • Distributed scheduling can be achieved through various tools and frameworks.
    • Some popular distributed scheduling tools are Apache Zookeeper, Quartz, and Spring Cloud Data Flow.

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    Description

    Test your knowledge on task scheduling with this comprehensive quiz! From understanding the differences between single-machine and multi-machine scheduling to learning about the benefits and challenges of distributed scheduling, this quiz covers it all. You'll also get to explore popular tools and frameworks used for distributed scheduling, such as Apache Zookeeper, Quartz, and Spring Cloud Data Flow. Sharpen your skills and expand your knowledge on scheduling with this informative quiz!

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