V2EX renice

Renice

Definition / 释义

renice(动词,计算机/类 Unix 系统)指调整正在运行的进程的“nice 值”(优先级倾向),从而影响 CPU 调度时该进程相对更“优先”还是更“让步”。常见于 Linux/Unix 命令行工具。
(补充:在日常英语里不常用;主要是技术语境。)

Pronunciation / 发音

/rinas/

Examples / 例句

Please renice the backup process so it doesn’t slow down the server.
请把备份进程的优先级调低一些,这样它就不会拖慢服务器。

After we noticed high load, the admin reniced several CPU-hungry jobs and automated the change in a script.
在我们发现系统负载过高后,管理员把几个特别吃 CPU 的任务都调整了优先级,并把这个操作写进脚本自动执行。

Etymology / 词源

renice = re-(再次/重新) + nice(“nice 值”)。这里的 nice 不是“友好”的意思,而是 Unix 中表示进程调度倾向的数值:数值越高通常越“谦让”(优先级越低)。renice 就是“重新设置 nice 值”。

Related Words / 相关词

Literary Works / 文学与作品举例

  • man renice(Unix/Linux 系统手册页)
  • The Linux Command Line(William Shotts)
  • UNIX and Linux System Administration Handbook(Evi Nemeth 等)
  • Advanced Programming in the UNIX Environment(W. Richard Stevens 等)
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