The recent theft from several BitCoin operators has sparked a debate whether eventually consistent databases are useful or not for banking.
The social-networking company AddThis open-sourced Hydra under the Apache version 2.0 License in a recent announcement. Hydra grew from an in-house platform created to process semi-structured social data as live streams and do efficient query processing on those data sets.
MongoDB needs no introduction for NoSQL users. Kelly Stirman, Director of Product Marketing at MongoDB is answering questions about the latest stable 2.6 release. Storage fragmentation, index intersection, full text search and MongoDB in enterprise are discussed. Finally, we have more info about one of the most watched and voted feature requests at MongoDB jira tracker, collection level locking.
IBM announced recently a definite agreement to acquire the major contributor to the CouchDB project, cloud database startup Cloudant. Adding CouchDB to IBM’s arsenal of technologies together with SoftLayer acquisition and MongoDB partnership creates an ecosystem of technologies bringing IBM in direct comparison with Amazon. A comparison of CouchDB, DynamoDB and ObjectRocket shows the strong points
Apache released HBase 0.98 primarily addressing convergence with Apache Accumulo via cell-based security while resolving over 230 JIRA issues. These new security features are modeled after Accumulo.
Processing extremely large graphs has been and remains a challenge, but recent advances in Big Data technologies have made this task more practical. Tapad, a startup based in NYC focused on cross-device content delivery, has made graph processing the heart of their business model using Big Data to scale to terabytes of data.
Cassandra is rapidly heading towards 2.1 release, with 2.1.0-beta1 already available for evaluation. We take a look at major features introduced in the latest major release and what's coming up. Supported by DataStax, Cassandra is expanding its reach towards the enterprise world. DataStax recently announced a partner network program, Patrick McFadin called out on MongoDB's scaling issues and other
Recently, Spark graduated from the Apache incubator. Spark claims up to 100x speed improvements over Apache Hadoop over in-memory datasets and gracefully falling back to 10x speed improvement for on-disk performance. Based on Scala, it can run SQL queries and be used directly in R. It provides Machine Learning, Graph database capabilities and other further discussed in the article.
Neo Technology has announced the general availability of Neo4j 2.0, coming with a new graph browser, node labels, an optional schema and an improved Cypher.
At RICON West Basho announced the first technical preview of Riak 2.0. Continuing the work on Russell Brown’s RFC, this version brings with it new distributed data types for maps and sets, strong consistency, and deeps ties with Apache Solr.
New database developments indicate a return to SQL, but not by running the traditional relational stores on bigger and better hardware, not even on sharded architectures, but through NewSQL solutions.
Peter Bell shares insights on the latest trends in NoSQL, a rapidly evolving category of database storage that covers a wide variety of solutions.
NuoDB has announced version 2.0 of their NewSQL database, now a globally distributed database that can run in the cloud or on premises with real-time replication.
Latest version of open source Java In-Memory Data Grid Hazelcast supports entry processing, multi-thread execution, continuous queries and lazy indexing. They have also re-implemented all of the existing distributed objects like map, queue, executor service using Service Provider Interface (SPI).
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- The Essential Couchbase APIs Cheat Sheet
- Why MySQL 5.6 is no real threat to NoSQL
- How to Move from MySQL to Couchbase Server 2.0: Part 1
- Making Sense of NoSQL
- Couchbase in Action – Real world app demo
- Making the Shift from Relational to NoSQL