by Abrham Smith | Apr 21, 2020 | MongoDB
If you’re upgrading a ReplicaSet from a version before 3.2 of MongoDB to a new version, you will run into this warning when connecting to the shell. Protocol Version 0 is not supported in MongoDB 4.0. Checking Protocol Compatibility To verify which protocol version...
by Abrham Smith | Apr 2, 2020 | MongoDB
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...
by Abrham Smith | Mar 26, 2020 | MongoDB
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...
by Abrham Smith | Mar 20, 2020 | MongoDB
When you’re upgrading from previous versions before 3.6 you might notice this warning showing up in the shell when you start the server for the first time. This warning is telling you that you don’t have an IP bound to your instance, preventing any...
by Abrham Smith | Mar 12, 2020 | MongoDB
When running a MongoDB instance, it’s always important and even recommended to disable Transparent Huge Pages. Database workload can be poor when THP is enabled. Service File This service will allow you to disable THP during startup. Create the service file...
by Richard Cookson | Aug 8, 2019 | 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...
