MongoDB is strongly consistent. Places where versioning is important. The most important reason people chose MongoDB is: Memory. 12 Understanding the performance behavior of a NoSQL database like Apache Cassandra ™ under various conditions is critical. Both databases are known to provide a high performance and availability when it comes to scalable databases. MongoDB and CouchDB are the best examples of NoSQL databases. The top reviewer of Couchbase writes "It can scale horizontally, and we are looking to expand our capacity". MongoDB’s performance suffers from master-slave replication, which can cause idle nodes and low hardware utilization. Both databases … MongoDB offers master-slave replication. MongoDB favors consistency. Performance Consistency : In CouchDB is safer than MongoDB: In MongoDB, database contains collections and collection contains documents. Couchbase is rated 8.0, while MongoDB is rated 7.8. Single-node and sharded environments require different development patterns and changes to the way applications function. No one should use just because we did. Consistency : CouchDB is eventually consistent. It has been 5+ years since we chose CouchDB. MongoDB. NoSQL databases are open source and document oriented. I find it well balanced and you should read it all as it covers a lot of different aspects: horizontal scalability, query expressions, atomicity, durability, mapreduce support, javascript, performance, etc. This latest release incorporates numerous performance and usability enhancements. Conducting a formal proof of concept (POC) in the environment in which the database will run is the best way to evaluate platforms. 10: CouchDB offers master-master and master-slave replication. MongoDB is an apt choice for a rapidly growing database. Benchmarking NoSQL Databases: Cassandra vs. MongoDB vs. HBase vs. Couchbase. Above all, this is the main difference between Couchbase and MongoDB. If I need good performance on a big DB. Another article comparing MongoDB and CouchDB is hosted by ☞ MongoDB docs. MongoDB - The database for giant ideas. CouchDB - HTTP + JSON document database with Map Reduce views and peer-based replication. MongoDB provides no mobile support. MongoDB and CouchDB work in the concept of collection and document. On the other hand, the top reviewer of MongoDB writes "Good security, highly-available when installed in a … At the end of the day, the performance, power potential, and simplicity of CouchDB made it a simple choice for our needs. Written in: it is written in Erlang. CouchDB favors availability. When comparing MongoDB vs Couchbase, the Slant community recommends MongoDB for most people.In the question“What are the best databases to use for Node.js applications?”MongoDB is ranked 3rd while Couchbase is ranked 13th. it is written in C++. 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