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NoSQL Shootout: RavenDB vs MongoDB

by Aaron Stannard on Jun 24, 2012

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A SoCal CodeCamp talk about two NoSQL databases, the crowd favorite MongoDB and the up-and-comer RavenDB. Which one is better at what?...

A SoCal CodeCamp talk about two NoSQL databases, the crowd favorite MongoDB and the up-and-comer RavenDB. Which one is better at what?

This talk really just offers a pair and contrast view of both database systems and tries to speak to the strengths and weaknesses of each. It's a 300-level talk and is not meant for people who are totally unfamiliar with NoSQL and document database systems.

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NoSQL Shootout: RavenDB vs MongoDB Presentation Transcript

vs.Aaron Stannard Nuri Halperin

What are we talking about today?OVERVIEW

What do RavenDB and MongoDB do that are similar?WHAT’S IN COMMON?

Fundamentals No Schema No Impedance Mismatch{ "Address" : "123 AnywhereSt.", "City" : "Springfield", Expose Data as JSON"PostalCode" : 99999 }

Queries Documents Stored as Collections Indexing for Deep PropertiesMap(k1,v1) → list(k2,v2)Reduce(k2, list (v2)) → list(v3) MapReduce Support

Scaling & Replication Sharding Support Replication Support Full Backup Support

What do RavenDB and MongoDB do differently?THE SHOWDOWN

FundamentalsRavenDB MongoDB Built with C# Built with C++ Data saved as Data saved as JSON BSON Uses Lucene.NET Uses B-Trees for for indexing indexing Uses Memory- Uses Esent for mapped files for Storage storage

Writing to a DatabaseRavenDB MongoDB Batch transaction Single row support transactions* Optimistic No concurrency concurrency management Granular write & ACID safety control

Reading from a DatabaseRavenDB MongoDB Cross-collection No cross-collection query support queries Server-side DbRef Client-side DbRef Resolution* Resolution No ad-hoc queries Supports ad-hoc on subsets queries on subsets Supports full-text No support for full-text queries queries

IndexesRavenDB MongoDB Supports static Supports indexes static indexes Supports ad-hoc No ad-hoc index indexes support Multi-map No multi-map indexes indexes Indexing performed Indexing is configurable in background to background or foreground

MapReduceRavenDB MongoDB M/R done as M/R done as indexes queries Supports No M/R pipeline incremental M/R M/R is calculated M/R is calculated in background in real time

Replication and ScalingRavenDB MongoDB Master-Slave Master-Slave Replication Replication Master-Master No Master-Master Replication Replication Manual & Auto Manual & Auto Sharding Sharding Mix and Match Replication / Shards Replica sets

EcosystemRavenDB MongoDB Limited driver Rich driver ecosystem ecosystem Little Lots of documentation documentation and examples and examples Depends on Can run Windows anywhere OSS and Commercial Free / OSS License Licenses ($$)

ExtrasRavenDB MongoDB• Supports Triggers • No Trigger Support• Multi-tenant • Multi-tenant• Supports OAuth / Basic • Supports Basic Auth Auth / Anonymous*• REST API • BSON over TCP

Further Reading• http://ravendb.net• http://mongodb.org• https://www.10gen.com/events/mongdb-san- diego (July 25th)