When we update or delete a row using pessimistic locking, we lock that row (exclusively) for reading and writing. This ensures that the same row cannot be updated simultaneously by anyone else than the one holding the lock (you). This is safe, but it means that other threads that just want to access (not only write, but also read!) the row cannot do so until the lock has been released,...
Crowdfunding has been utilised to back everything from the construction of potato salad to effigies of Lionel Ritchie. This week however, we were particularly surprised to see a JVM-centric campaign pop up: JUnit Lambda, which is aiming to raise 25,000 EUR to push forward the development of the popular Java testing library.
Ever wanted to start your web project from scratch, but never knew how and where to find the right tools? Well, you’re in the right place.
Wouldn't it be great to support good ol' primary research AND Devoxx4Kids? You can do just that by completing Reactive Revealed 2015, a 5-minute (engineer verified) survey that asks about the relevance of the tools, architectures, practices and opinions related to Reactive application development to your project.
Arquillian Cube is an Arquillian extension that can be used to manage Docker containers from Arquillian. Basically it starts all Docker containers required for your tests, deploys the application (or micro-application) which can be Java based or not, runs the tests and finally stops all of them.
In this post we look at the solutions to the common reasons why a Maven build might be slow. Serial build, not parallelized tests, doing unnecessary work are all signs that you can speed up your Maven build.
Containers, containers everywhere but no containment to be seen.
If you’ve been in the software world for a while now, you know the idea of introducing a lite application isn’t exactly new or uncommon. However, it’s often done for different reasons. A free version can be used as a giveaway to attract new users while an easy-to-use version is perfect for novices. Likewise, single-purpose versions may be made to isolate and streamline a specific portion of...
Take a closer look at some of the common challenges of performance testing microservices, explore best practices for testing your microservices, and explain how you can monitor the performance of your microservices in production.
In the midst of Docker’s meteoric rise and the explosion of talk around containers, it can be easy to lose oneself in all of the new terminology and jargon. While we think about the challenges presented by using containers in production, we also continue to hear the metaphor of Pets vs. Cattle and why it’s important to maintain an infrastructure that acts like a herd of cows.
What are the pros and cons of Chef, Puppet, Ansible, SaltStack and Fabric?
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- NetBeans IDE 8.1 worth a second look (28 Aug 2015) NetBeans IDE set to include Node.js support in the latest 8.1 version.
- Hortonworks optimizes Apache Hadoop performance (27 Aug 2015) Hortonworks has recently introduced new products to help enhance Apache Hadoop performance.
- JShell: The new Java 9 REPL (26 Aug 2015) Don't miss an opportunity to take JShell, the new Java 9 REPL, for a test drive. An expert shares...
- Redis creator signs with vendor amid community support (27 Aug 2015) How did the Redis community feel when the creator of their coveted NoSQL database signed on with a...
- The latest trends in the Hadoop project (25 Aug 2015) In this podcast, Tim Hall of Hortonworks discusses the Apache Hadoop project and how it has changed...
- OpenShift set to revolutionize PaaS platforms (26 Jun 2015) OpenShift not only revolutionizes PaaS platforms, it embraces DevOps by creating tools and...
- Red Hat engineer talks system optimization, containers (24 Jun 2015) In this podcast, a principal software engineer at Red Hat talks about important industry trends,...
- Red Hat announces support for the Open Container Project (23 Jun 2015) Red Hat joins other vendors to support the Open Container Project, not a surprise.
- Red Hat preview: App performance with container-based systems (23 Jun 2015) As the 2015 Red Hat Summit takes place, attendees are dealing with the fact that container-based...