MongoDB
an open-source NoSQL database written in C++ language.
uses JSON like documents with optional schemas.
inbuilt support for data partitioning (Sharding)
Features
Indexing
Aggregation
Special Collection and index types
File Storage
Sharding
Scaling
The documented oriented data model of MongoDB makes it easier to split data across multiple servers.
Balancing and loading data across a cluster is done by MongoDB. It then redistributes automatically.
The mongos acts as a query router, providing an interface between client applications and sharded cluster.
Config servers store metadata and configuration settings for the cluster. Each sharded cluster must have its own config servers.
MongoDB uses the config servers to manage distributed locks.
Geospatial Indexes
Types
2dsphere
2d
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