Hi Rick, > 1) Is it possible to implement a join across several collections, > within the same database snapshot?
Not, not yet. I may add a feature in the future that looks like: ["snapshot", <time-to-live>] => <snap-label> ["on-snapshot" <snap-label> <query-1>] => <query-1-result> ["on-snapshot" <snap-label> <query-2-based-on-query-1-result>] => <query-2 result> Once again, Clojure's persistent data structures to the rescue! Also, would you be willing to describe a little more what type of joins you'de like to be able to do in FleetDB? > 2) What happens when the data exceeds available memory? The OS will swap to disk. The current version of FleetDB is designed for datasets that fit in RAM. I'll be adding a FAQ page soon that addressees this question in more detail, as it comes up a lot. - Mark On Jan 5, 4:26 am, Rick Moynihan <rick.moyni...@gmail.com> wrote: > 2010/1/5 Mark McGranaghan <mmcgr...@gmail.com>: > > > Hi All, > > > I'm happy to announce the alpha release of 'FleetDB', a schema-free > > database implemented in Clojure and optimized for agile development. > > From a quick skim of the docs, this looks pretty interesting. Some questions: > > 1) Is it possible to implement a join across several collections, > within the same database snapshot? > > 2) What happens when the data exceeds available memory? > > R.
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