V2EX pull-based

Pull-based

定义 Definition

“Pull-based”(拉取式/基于拉取的)指一种工作或数据获取方式:由消费者/客户端在需要时主动请求(拉取)资源、任务或数据,而不是由生产者/服务器主动推送。常见于计算机系统(如消息队列、数据同步、CI/CD、容器镜像拉取)与生产管理(如拉动式生产)。

发音 Pronunciation

/pl best/

例句 Examples

The app uses a pull-based model to check for updates.
这个应用采用拉取式模型来检查更新。

In a pull-based architecture, workers request new jobs only when they are ready, which helps control load and reduce backpressure.
在拉取式架构中,工作进程只在准备就绪时才请求新任务,这有助于控制负载并减轻背压问题。

词源 Etymology

“pull”源自古英语 pullian(拉、拽),表示“把东西拉向自己”;“based”表示“以……为基础”。合起来的“pull-based”字面意思是“以拉取为基础的”,在现代技术语境中用来对比“push-based(推送式)”。

相关词 Related Words

文学与著作 Literary Works

  • Designing Data-Intensive Applications(Martin Kleppmann)
  • Site Reliability Engineering(Betsy Beyer 等)
  • Kubernetes: Up & Running(Kelsey Hightower 等)
  • Reactive Messaging Patterns with the Actor Model(Vaughn Vernon)
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