Flickr recently announced that they have deployed Sentinel to provide automated Redis failover in their offline task processing subsystem despite worries about its consistency.
Aerospike has open sourced their NoSQL database under the AGPL 3.0 license. This license requires that any improvements to the source code to be submitted back to the trunk. The source code of the Aerospike server and related tools is available on GitHub.
Speaking at QCon New York on Wednesday Jeff Johnson, from the core data group at Facebook, announced Apollo, Facebook’s Paxos-like NoSQL database. Written in C++11 on top of the Apache Thrift 2 RPC framework, Apollo is a hierarchical storage system where all the data is split into shards, very much analogous to region servers in HBase.
The latest version of Oracle NoSQL Database supports tabular data model, secondary indexing, security enhancements via Oracle Wallet integration, and data center enhancements. Oracle recently announced the release of version 3.0 of the distributed key-value database.
Peter Bell shares insights on the latest trends in NoSQL, a rapidly evolving category of database storage that covers a wide variety of solutions.
Amazon recently announced several new features for the AWS platform, including option to choose Redis for it's ElastiCache service, several RDS related improvements, and even the release of their unified command line interface.
NuoDB 1.1 includes a ADO.NET driver, LINQ and EF providers, support for Windows 64-bit and Azure, performance improvements.
Twemproxy is a proxy server that allows you to reduce the number of open connections to your Redis or Memcached server.
Compilify is an online compiler as a service, started by Justin Rusbatch, which works on top of the Roslyn CTP. Started recently, it has already received significant attention from enthusiasts, much more than the creator expected. We got in touch with Justin to understand how it works under the covers.
Developed since 2010 by Rich Hickey and the Relevance team, Datomic offers some new approaches to database architecture. Leveraging current trends in cloud and storage it has strong transactions, rich query API and read scaling.
SpringSource has recently released Spring Data Redis, an abstraction over the existing Java Redis libraries that offers a unified API and easier Java Object serialization for Spring based applications.
Riak is a key-value based NoSQL database that can be used to store user session related data. Andy Gross from Basho Technologies recently spoke at QCon SF 2011 Conference about Riak use cases. InfoQ spoke with Andy and Mark Phillips from Basho team about Riak database features and best practices when using Riak.
Cloud service provider Tier 3 has released Iron Foundry, a .NET-friendly fork of VMware’s Cloud Foundry platform-as-a-service. Iron Foundry gives the sizeable number of .NET developers an open source alternative to Windows Azure and lets them participate in the increasingly popular Cloud Foundry ecosystem.
Statelessness has been a central principle of RESTful design and implementation. However, with the advent of NoSQL implementations, Ganesh Prasad wonders whether that is no longer true and suggests that REST+NoSQL offers a way to remove this restriction, providing stateful sessions, scalability and fault tolerance.
Oracle has announced the Big Data Appliance running with Oracle NoSQL Database, a new key-value store based on Oracle Berkeley DB Java Edition. Some of features include: billions of rows of storage capacity in records and terabytes in B-tree, ACID transactions, CRUD, sharding, no single point of failure, disaster recovery via datacenter replication.