Use the test cluster architecture for testing and
For testing and development, you can deploy a minimal sharded clusters
cluster. These non-production clusters have the following
Diagram of a sample sharded cluster for testing/development purposes only. Contains only 1 config server, 1 mongos router, and at least 1 shard. The shard can be either a replica set or a standalone mongod instance.
Production Cluster Architecture
Copyright © 2011-2014, MongoDB, Inc. MongoDB, Inc. Licensed under Creative Commons. MongoDB, Mongo, and the leaf logo are registered trademarks of MongoDB, Inc.