V2EX uptime

Uptime

释义 Definition

Uptime:指系统、设备或服务在可用并正常运行的时间比例或持续时长,常用于衡量可靠性(例如“99.9% uptime”)。也可泛指“正常运转的时间”。

发音 Pronunciation

/ptam/

例句 Examples

The website’s uptime was 99.9% last month.
这个网站上个月的正常运行时间达到了 99.9%。

We monitor uptime and response time to ensure the service stays reliable during peak traffic.
我们监控正常运行时间和响应时间,以确保服务在流量高峰期仍保持可靠。

词源 Etymology

up(处于运行/开启状态)+ time(时间)构成的复合词,源于工程与计算机运维语境,用来与 downtime(停机时间)相对,强调“系统处于可用状态的时间”。

相关词 Related Words

文学作品中的用例 Literary Works

“uptime”主要属于现代工程与计算机术语,更常见于技术文档、运维手册与行业文章中;在传统文学经典中出现较少。常可在与互联网基础设施相关的非虚构写作中见到,例如 Eben Moglen 的随笔与技术评论、以及关于网络与平台运作的当代纪实作品中会使用该词来讨论系统可用性与故障影响。

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