MongoDB Operational Patterns

February 22, 2026

Databases

Mongodb-Administration, Replica-Set-Management, Sharding-Operations, Mongodb-Backup, Query-Optimization

Mongodb, Replica-Set, Sharding, Mongodump, Indexing, Explain, Mongostat, Mongotop, Operations

Mongosh, Mongod, Mongos, Mongodump, Mongorestore, Mongostat, Mongotop

MongoDB Operational Patterns#

MongoDB operations center on three areas: keeping the cluster healthy (replica sets and sharding), protecting data (backups), and keeping queries fast (indexes and explain plans). This reference covers the practical commands and patterns for each.

Replica Set Setup#

A replica set is the minimum production deployment – three data-bearing members that elect a primary and maintain identical copies of the data.

Launching Members#

Each member runs mongod with the same --replSet name: