copy-on-write的意思|示意
n.写时拷贝；写入时复制；写时备份
copy-on-write的网络常见释义
写入时复制 ... Clojure，我会拿它来构建一些系统，在 Clojure 中你给出的原语(primitives)往往都是不可变的。我觉得写入时复制(copy-on-write)是保持值语义的最佳优化方案，在这个函数里面你可以维持最简单的存储，也可以实现最简单的值复制。
写时复制 比如日志结构的文件系统、日志结构的合并树和Copy-On-Write（写时复制）是分布式系统中用于模拟不可变数据结构的常见模式/技巧。
写时拷贝 写时拷贝（copy-on-write， COW）就是等到修改数据时才真正分配内存空间，这是对程序性能的优化，可以延迟甚至是避免内存拷贝，当然目的就是避免不必要的内...
技术 其中“GC标记-清除算法”的缺点有一条是：与写时复制技术(copy-on-write)不兼容。 写时复制技术(copy-on-write)是在 Linux 等众多 UNIX 操作系统的虚拟存储中用到的高速化方法。
copy-on-write相关短语
1、 copy on write 写时复制 ; 第十一章 ; 三是利用写时拷贝机制 ; 写时拷贝
2、 copy-on-write faults 写复制操作错误
3、 Reference counting & Copy-on-Write 写时复制
copy-on-write相关例句
An interesting side effect of the copy-on-write design is that all writes to the file system become sequential writes (because remapping is always occurring).
即写即拷设计的一个有趣的副作用是文件系统的所有写入都成为顺序写入(因为始终进行重新映射)。
Given the copy-on-write nature of ZFS, features like snapshots and clones become simple to provide.
由于ZFS的即写即拷性质，类似快照和克隆的功能变得易于提供。
When he takes the throne of his kingdom, he is to write for himself on a scroll a copy of this law, taken from that of the priests, who are Levites.
他登了国位，就要将祭司利未人面前的这律法书，为自己抄录一本。
This is accomplished by having an exception list that is updated every time something changes between the LVs (formally known as CoW, Copy-on-Write).
快照由一个例外列表(exception list)来实现，每当LV之间出现差异时就会更新这个列表(正式的说法是CoW, Copy - on - Write)。
Did your teacher in school ever write a sentence on the board or in your book and then tell you to copy it?
我们念幼稚园或小学时，老师会在黑板或习作本中写下生字，我们要留意老师所写的笔划照样抄写。
Over the years, I've tired to copy the example of Don and other friends who care enough to write uplifting comments , because I think they are on to something important.
多年以来，我努力效仿堂以及我的其他朋友，他们关心别人，常写一些鼓舞人心的话语，因为我觉得，他们这样做是很有意义的。