NoSQL Database Systems: MongoDB

Explain MongoDB's consistency model and configure read and write concerns for different consistency requirements

Set up MongoDB replica sets with primary-secondary replication and automatic failover

Set up a MongoDB sharded cluster architecture, including routers (mongos), config servers, and shard replica sets

Select an appropriate shard key for a given data model and query pattern, analyzing trade-offs between different key strategies

Analyze chunk distribution, splits, and the behavior of the balancer in a sharded MongoDB cluster