COW-copy on write的意思|示意

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COW-copy on write

COW-copy on write的网络常见释义

拷贝 ...标志位的组合，取决于具体情况；  vfork的优点：fork需要拷贝父进程的页表项,而vfork不需要；  写时拷贝(COW-Copy On Write): COW是一种可以推迟甚至免除拷贝数据的技术。

COW-copy on write相关例句

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)。

Copy-on-write (or COW) is a technique to delay or altogether prevent copying of the data.

即写即拷(或牛)技术完全延迟或防止复制的数据。