MongoDB (from "humongous") is a scalable, high-performance, open source, document-oriented database. The MongoDB package comes with a handy set of featuers, including:
Document-oriented storage
JSON-style documents with dynamic schemas offer simplicity and power.
Full Index Support
Index on any attribute, just like you're used to.
Replication & High Availability
Mirror across LANs and WANs for scale and peace of mind.
Auto-Sharding
Scale horizontally without compromising functionality.
Querying
Rich, document-based queries.
Fast In-Place Updates
Atomic modifiers for contention-free performance.
Map/Reduce
Flexible aggregation and data processing.
GridFS
Store files of any size without complicating your stack.
What's New in This Release: [ read full changelog ]
Bug fixes:
· Shell ignores modified object's "_id" field
· Phrase search won't match phrases that aren't space-delimited
Improvement:
· Race condition in log rotation (was: SIGUSR1 should set a flag rather than doing rotation)