Category: Administration

  • How to Change a MongoDB Primary to a Secondary

    How to Change a MongoDB Primary to a Secondary

    Maintaining a MongoDB Replica Set requires occasional maintenance and upgrades. Sometimes, this necessitates taking the primary node offline or converting it to a secondary node. Learn more about different Replica Set roles, Replica Sets: Member Roles and Types This guide will walk you through the steps needed to safely perform this task. Why Would You…

  • Understanding the local Database in MongoDB

    Understanding the local Database in MongoDB

    When you set up and initiate a replica set in MongoDB, all databases and collections on the primary database are replicated to the secondary nodes. However, there is one crucial exception: the local database. What is the local Database? Each mongod instance maintains its own unique copy of the local database. It contains collections that…

  • Getting Started with MongoDB on Docker: A Step-by-Step Guide

    Getting Started with MongoDB on Docker: A Step-by-Step Guide

    Are you eager to dive into MongoDB but unsure where to start? Docker provides a convenient way to set up MongoDB for local development, allowing you to experiment without the complexity of traditional installations. In this guide, we’ll walk you through the process of installing MongoDB on Docker, persisting database data files, connecting to MongoDB,…