How to Perform MongoDB Upgrade for High Availability from 3.6 to 4.2
Performance & Efficiency Gains, New Storage Architecture | by Darlene Tate | Medium
upgrade - How to isolate 1 MongoDB config server - Database Administrators Stack Exchange
GitHub - cloudify-examples/cloudify-rolling-upgrade: Demonstrates a workflow that upgrades a web app on a running deployment. Includes generalized framework.
7 Checks to Successfully Upgrade MongoDB Replica Set in … | Percona Community