MongoDB seems to have copied a lot of functionality from Riak. This may be because MongoDB hired a number of former Basho engineers when Basho went bankrupt. That said, the new functions added to Riak after it became open source have successfully differentiated itself from Mongo…
Every database has positives and negatives. Redis is very good at set operations, but not as good at executing fast queries. MongoDB is a much cheaper data store than Riak, but not as highly available and scalable. Searching Riak is also faster than searching MongoDB or Redis…
Because of the RESTful HTTP interface, the consistency model, and because of the catalog-driven data model, Riak was an easy win over Redis and Memcached.
At the time I worked on the project those were the three competing technologies I evaluated. Couchbase didn't have memcache integrated at the time. Riak was by far the easiest to set up, and it's linking capability struck the right balance of having just enough relational …
Riak is a key/value pair store which is great for certain use cases. For our use case, the ability to search is an extremely useful feature. Apache Cassandra can provide this while Riak cannot. Also again for our use case, the ability to delete is critical as we strive to …