How to perform one-time DB sync to another DB in MongoDB?

Question

I have separate development and production MongoDB servers and I want to keep actual data in development server for sometime. What I should use for it: mongodump, mongoimport or

Answer 1

You can use the db.copyDatabase(...) or db.cloneDatabase(...) commands:

http://www.mongodb.org/display/DOCS/Copy+Database+Commands

This is faster than mongodump / mongorestore because it skips creating the bson representation on disk.