V2EX uptime

Uptime

释义 Definition

名词 (n.) 指系统、设备或服务正常运行、可用的时间段。常用于计算机和网络技术领域,也可泛指任何事物处于良好运作状态的时间。

发音 Pronunciation

/p.tam/

例句 Examples

The server has an uptime of 99.9% this year.
这台服务器今年的正常运行时间达到了99.9%。

After upgrading the infrastructure, the engineering team proudly reported that the system's uptime had improved significantly, reducing costly outages that once frustrated thousands of users.
在升级基础设施后,工程团队自豪地报告说,系统的正常运行时间显著提高,减少了曾经让数千名用户感到沮丧的高成本故障。

词源 Etymology

up(运行中的、开启的)和 time(时间)组合而成的复合词。最早出现于20世纪中期,随着计算机技术的发展而广泛使用。与之相对的是 downtime(停机时间)。该词从技术领域逐渐扩展到日常用语中,可以泛指任何事物"正常运转"的时间。

相关词汇 Related Words

文学与使用场景 Literary & Notable Usage

uptime 作为技术术语,更多出现在非虚构类作品和科技写作中。例如:

  • 在 Kevin Mitnick 的 The Art of Intrusion 中,系统的 uptime 被视为安全性和稳定性的关键指标。
  • Laura Noren 与 Brad Stenger 合著的 Uptime: A Practical Guide to Personal Productivity and Wellbeing 一书将该词引申为个人高效运转状态的隐喻。
  • 在技术社区和运维文化中,"uptime" 常常是衡量系统可靠性的核心概念,如著名的"five nines"(99.999% uptime)标准。
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