New-age Transactional Systems - Not Your Grandpa's OLTP
John Hugg discusses high volume transaction processing applications with high and low frequency profiles, and how VoltDB can be used for that purpose.
According to news magazines, people worldwide are more and more against ACTA. The Anti-Counterfeiting Trade Agreement is intended to reduce copyright infringement and stealing of intellectual property rights. However, opponents fear the loss of civil rights. And the treaty may also have a large impact on software engineers.
In a recent blog post, Microsoft announced that the first generation objects of their WF technology are being deprecated in the upcoming .NET 4.5 release. WF, which is a workflow engine leveraged by .NET developers as well as a handful of Microsoft server products, has multiple new capabilities in .NET 4.5 while officially putting application that leverage the old .NET 3.0 objects on notice.
Sparx Systems, an Austrian based vendor of UML tools, has recently published version 9.2 of Enterprise Architect. The new version adds features like enhanced simulation capability and support for describing ontologies.
The Carnegie Mellon University Software Engineering Institute is organizing a free virtual event on software architecture. The show will provide information on tools and methods on 28th February, 1 pm to 4:30 p.m. ET.
Ido Flatow has been posting a series on the upcoming changes to WCF in .NET 4.5. Most of these changes revolve around making configuration files lighter and easier to work with in both stand-alone and IIS hosted modes.
In his new article “MapReduce Patterns, Algorithms, and Use Cases”, Ilya Katsov gives a systematic view of the different MapReduce patterns, algorithms and techniques that can be found on the web or in scientific articles along with several practical use case studies.
A new Couchbase survey indicates that the adoption rate of NoSQL solutions by enterprises is rising. Will this be the year of NoSQL as some suggest, and what are the main adoption forces at work?
Hoping to make programming data-parallel hardware easier, Microsoft has published its open specification for C++ AMP. By building its implementation directly into Visual Studio 11 Microsoft seeks to improve access to the GPU for developers.
The 6th annual QCon London (March 5-9, 2012) is taking place in just 4 weeks, with the last early bird discount quickly approaching. ThoughtWorks' Martin Fowler and Rebecca Parsons have been confirmed to present the Day 1 keynote. QCon London will host more than 80 speakers, 5 concurrent tracks, and many breaks, parties, and opportunities for networking.
Hybrid SQL-NoSQL database solutions combine the advantage of being compatible with many SQL applications and providing the scalability of NoSQL ones. Xeround offers such a solution as a service in the cloud, including a free edition. Other solutions: Database.com with ODBC/JDBC drivers, NuoDB, Clustrix, and VoltDB.
agility@scale eKit: 10 Principles, Scaling Model, Metrics, Collaboration
Agile Practices to Improve Project Management Organization (PMO) Effectiveness
John Hugg discusses high volume transaction processing applications with high and low frequency profiles, and how VoltDB can be used for that purpose.
Kevlin Henney examines code samples to see what can be learned from them starting from the premise that one won’t write great code unless he knows how to read it.
Jason Ayers share the observations he made watching a team of developers collaborating in real time on the same code base, pushing XP, pair programming and continuous integration to their extremes.
Michael Snoyman presents Yesod, a web framework written in Haskell and containing a web server, templating, ORM, libraries (templating, gravatar, etc.).
Richard Kreuter and Kyle Banker on how to avoid classical RDBMS transactional systems by using compensation mechanisms, transactional messaging or transactional procedures.
Attila Szegedi talks about performance tuning Java and Scala programs at Twitter: how to approach GC problems, the importance of asynchronous I/O, when to use MySQL/Cassandra/Redis, and much more.
One category of risk that project teams need to ensure they address is business value failure – delivering a product that fails to provide value for the business investor.
InfoQ spoke to the authors of Software Systems Architecture on a couple of new topics, the System Context viewpoint and Agile, which have been added to the second edition.