You might also want to check out Redis, which is supposed to act like
disk persistent data structures in memory.  The author just added a
virtual memory module, so now Redis can handle datasets larger than
the memory you assign it.

Mark

On Jun 22, 10:57 am, Timothy Baldridge <tbaldri...@gmail.com> wrote:
> Greetings,
>
> I've recently started learning Clojure. For the past year or so I've
> been using CouchDB, and am very happy with the MVCC disk storage
> system it uses. Has anyone tried marrying the two system systems to
> create a truly persistent data primitive where any "updates" to a map
> is written to the disk?
>
> To me this seams like a awesome opportunity for Clojure. If we could
> create maps/vectors/whatever and read/"write" to them and have their
> contents somehow stored in on disk, complete with transactional style
> support, clojure could basically have a built-in database system that
> could be used in countless situations.
>
> So has anyone tried this? If not, I may just give it a whirl, and
> others would be welcome to help.
>
> Timothy Baldridge
>
> --
> “One of the main causes of the fall of the Roman Empire was
> that–lacking zero–they had no way to indicate successful termination
> of their C programs.”
> (Robert Firth)

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