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MongoDB uses btree indexes as well, it just doesn't use Map/Reduce for its regular querying like CouchDB does. See my above comment on differences as well as a
by rit 16y ago
MongoDB uses btree indexes as well, it just doesn't use Map/Reduce for its regular querying like CouchDB does. See my above comment on differences as well as a writeup I did on new output options in MongoDB's M/R system.
- cdavid 16y agoThe original part in couchdb design is using btree for views to hold temporary data for M/R jobs, as btree are indeed used by mongodb (and most db engines). The new stuff for M/R in mongodb looks interesting, thanks for the update.