The talk covers the use case of the Personalisation Server, a master customers profile storage for the companies of the Telefonica Group. It provides real-time (ReST API) and batch interfaces to update, retrieve and share customers profile. Initially the PS used Oracle, but due to scalability and cost issues we …
Spring Data Neo4j in its 2.x version is a mature implementation of an object graph mapping framework, that both closely integrates with the Spring Framework and also offers unique modeling and querying opportunities by having chosen the property graph data model. This talk presents how several Neo Technology customers already …
This talk provides an introduction to ArangoDB. ArangoDB is a an open source NoSQL database aiming to be a powerful universal database. It allows flexible data modelling as key-value pairs, documents or graph data. It allows complex queries through an elegant query language.
Is the Cassandra NoSQL database too complex for newcomers? Besides the many improvements that have made their way into C* to dramatically simplify it and the finalized Cassandra Query Language, the SQL-like query language that should look familiar, new drivers have been created with a modern and efficient API.
Over the past year, mobile in-app feedback provider Apptentive has scaled MongoDB on AWS from a single machine to a sharded, thousands-of-operations-per-second, several hundred gigabyte cluster. This session – packed with demos, code, and actual performance numbers – shares the lessons learned along the way.
This talk covers new features in Cassandra 2.0 including lightweight transactions, virtual nodes, CQL (the Cassandra query language), as well as an updated look at performance. Many people still think of Cassandra as a “key value store” or a “map of maps.” Cassandra is a fast moving project, with over …
