Twitter's Answers is an analytics service for mobile apps that has come to see five billion sessions per day. Ed Solovey, software engineer at Twitter, has described how their system works to provide "reliable, real-time, and actionable" data based on hundreds of millions of mobile devices sending millions of events every second.
Amazon performed a major maintenance update at the end of September in order to patch a security vulnerability in a Xen hypervisor affecting about 10% of their global fleet of cloud servers. This update involved the rebooting of those servers, with consequences for AWS users and the services they provide, including one of their largest clients, Netflix.
Vormetric, a data security solutions provider has announced a partnership with DataStax, the company behind Apache Cassandra, to enhance the enterprise-class security features in the platform. The two companies will work together to enhance data-at-rest security that includes encryption, enhanced access controls and security intelligence in Apache Cassandra.
Oracle Database 12c Release 1 (22.214.171.124) is now available and includes the much anticipated “In-memory” feature, along with several other improvements.
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 recent theft from several BitCoin operators has sparked a debate whether eventually consistent databases are useful or not for banking.
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.
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
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.
Datastax Enterprise 3.0 was announced last month with several Enterprise security features for a cluster using Cassandra, Hadoop and Solr. InfoQ caught up with Robin Schumacher, VP of Products at DataStax to learn more.
Salesforce.com has open sourced Phoenix, a Java layer enabling developers to run SQL queries on Apache HBase. Update: An interview on Phoenix with James Taylor, Lead Developer at Salesforce.com, has been appended.
At its heart, SQL is a domain specific language designed to allow non-professional programmers to query databases and write ad hock reports. When a company moves from a relational database to a NoSQL offering the need for ad hock reporting doesn’t go away, it just becomes harder. Simba’s ODBC drivers shift the power back into the hands of the users.
Cassandra 1.2 was recently released with several improvements such as virtual nodes, atomic batch support, better performance and more.
MariaDB has announced a preview of the Cassandra Storage Engine. This is a plugin that allows MariaDB to access Cassandra clusters using normal SQL syntax.
Precog has recently announced a Big Data warehousing and analysis service which takes care of the data capture, storage, transformation, analysis and visualization process and the infrastructure on which it runs, but leaving open various access points throughout the service via RESTful APIs enabling developers and data scientists to control the entire process.