Video: The Difference Between MongoDB Sharding and a MongoDB ReplicaSet

Art van Scheppingen


In this video we will demonstrate the differences between deploying a MongoDB ReplicaSet versus deploying a MongoDB Sharded Cluster in ClusterControl.  

With the new version of ClusterControl 1.4, you can automatically and securely deploy sharded MongoDB clusters or Replica Sets with ClusterControl’s free community version; as well as automatically convert a Replica Set into a sharded cluster.

The video also demonstrates the different overview sections of each type of deployment within ClusterControl as well as how to add nodes and convert the ReplicaSet into a Sharded Cluster.

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What is a MongoDB ReplicaSet?

A replica set is a group of MongoDB instances that host the same data set. In a replica, one node is a primary node that receives all write operations. All other instances, such as secondaries, apply operations from the primary so that they have the same data set.

What is a MongoDB Sharded Cluster?

MongoDB Sharding is the process of storing data records across multiple machines and it is MongoDB’s approach to meeting the demands of data growth. As the size of the data increases, a single machine may not be sufficient to store the data nor provide an acceptable read and write throughput.

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