MongoDB – WARNING: readConcern:majority is enabled

MongoDB – WARNING: readConcern:majority is enabled

If you’re running a 3 member ReplicaSet that uses an Arbiter as its third member, then you will be presented with this warning when you connect to the shell. When a node goes down in a PSA architecture (Primary, Secondary, Arbiter) the wiredTiger storage engine...
MongoDB – WARNING: This server is using MONGODB-CR

MongoDB – WARNING: This server is using MONGODB-CR

MongoDB-CR is the challenge response authentication mechanism used in MongoDB versions before 4.0. In version 4.0 this mechanism is removed and you must upgrade to the new mechanism SCRAM before you upgrade to 4.0. You will receive this warning if you have launched...
The Pros and Cons of MongoDB

The Pros and Cons of MongoDB

MongoDB is one of the world’s most popular object-oriented NoSQL databases. But like any other database, MongoDB has specific places where it flourishes and areas where it falters. The Question: To Use Or Not To Use Some of the best ways to utilize MongoDB is...