With random write behind, the number of pages in memory exceeds a specified amount and all subsequent pages are written to disk.
使用延迟的随机写操作，当内存中的页面数量超过指定的数量，则将所有后续的页面写入到磁盘。
By "random," I mean really random: Pound the keyboard for a while, like a monkey trying to write Shakespeare.
随机的意思就是说，随意地敲击键盘一会，就像猴子试着写莎士比亚一样。
Of course this doesn't mean that someone chosen at random off the street can write working Ruby code or get a Rails application up and running.
当然，这并不是说，写出能正常工作的代码或者让一个Rails应用程序启动并正常运转这样的事情，是你从街边随便揪出来的一个人就可以做的。
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