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A comment on The vault where Harvard keeps millions of books. Parent comment

Re:The vault where Harvard keeps millions of books by cjubb39 on Sunday February 08, 2015 @08:52PM (#9019393)
Perhaps it's best described just as an infinite-sized cache. I would assume they have enough request to very rarely be idle.
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Re:The vault where Harvard keeps millions of books by gwern on Wednesday February 11, 2015 @03:53PM (#9035638)
Copy-on-write might be a better concept to allude to. You're making a new version, but efficiently, on demand.
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