MongoDB Replication & Sharding

Master distributed MongoDB architectures.

Quick Start

Replica Set Setup

# Start mongod instances with replica set config
mongod --replSet rs0 --port 27017
mongod --replSet rs0 --port 27018
mongod --replSet rs0 --port 27019

# Initiate replica set
mongo mongodb://localhost:27017
> rs.initiate({
    _id: 'rs0',
    members: [
      { _id: 0, host: 'localhost:27017', priority: 1 },