I am interested in the idea: Completely stateless set of Clojure nodes (on many machines), operating on a central state stored in some datastore. If transactions could be managed somehow, I think it would be very compelling model for many applications.
On Jan 1, 11:07 pm, Julian Morrison <julian.morri...@gmail.com> wrote: > I've just recently been poking around these NoSQLs investigating their > features, so... > > Redis has limited data structures - flat un-nested lists and sets, and > plain strings. It doesn't have sets exactly - just keys and values. > Nothing nested at all, unless you serialize to strings. No indexes, > although you can hack up your own. > > To be honest, Redis isn't that impressive versus what's in Clojure > already. It's an in-memory DB (so it's not much different from ref > +dosync) and it intermittently spits a snapshot to disk. If you can > live with an in-process DB, you could copy (and exceed) its features > including snapshot saving in a page of pure Clojure code, and beat it > on speed too. > > Contrast MongoDB: slower because it bothers to save things, but still > around twice as fast as MySQL and much faster than CouchDB (cite: the > benchmarks page). Arbitrarily nested collections, indexes, atomic > updates (in place operations like inc and append, or atomic compare- > and-set), JSON syntax, typed data, replication (built in) and sharding > (via a broker process). > > (MongoDB downsides: it grows files in a very greedy way to try and > minimize data fragmentation, and it needs a 64bit machine to store > more than about 2Gb.) > > On Dec 30 2009, 11:52 am, Gabi <bugspy...@gmail.com> wrote: > > > On first look, Redis and Clojure seems to be a perfect match. They > > both handle sets and maps efficiently. If one could find an easy way > > to store and retrieve Clojure data structures to Redis (even a small > > subset- just a list or a set), a distributed clojure app could be very > > easy (and effective?) thing to do - The stateless Clojure nodes would > > share and operate on the same central data structure which is stored > > in Redis). What do you thing ? Is it worth investigating further? -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
