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Java 9 Language Features By Philipp Lengauer Java 9 ships with some minor—yet awesome—new language features that make developing easier and cleaner. In this post, we’ll take a look at three of these new features. Private interface methods You probably remember interface methods, which were introduced in Java 8. These are required so that Java itself, as well as framework vendors, can add new methods to interfaces without breaking pre-existing implementations. As these methods can become rather complex, Java now enables you to declare interface methods as private. This allows for extracting common code from interface methods while hiding the code from external use. public interface DeepThought { abstract int foo(); abstract int bar(); default int fooDecorated() { return decorate(foo()); } default int barDecorated() { return decorate(bar()); } private int decorate(int valu... (more)

Configuration with #Jenkins | @DevOpsSummit #DevOps #APM #Monitoring

When Configuration Settings from Development Wreak Havoc in Production By Asad Ali As applications are promoted from the development environment to the CI or the QA environment and then into the production environment, it is very common for the configuration settings to be changed as the code is promoted. For example, the settings for the database connection pools are typically lower in development environment than the QA/Load Testing environment. The primary reason for the existence of the configuration setting differences is to enhance application performance. However, occasiona... (more)

Digital Performance Management: From Alarm to Resolution | @DevOpsSummit #APM #Agile #DevOps

Digital Performance Management: From Alarm to Resolution By  Nicolas Vailliet Application performance problems can be quite challenging to resolve and even more difficult to predict. In my role as Dynatrace Guardian Consultant - leading the implementation of APM best practices with our customers - I've experienced quite a few "head-scratcher" situations. In this blog, I'll relate a recent problem that had most of the IT department scrambling early one Monday morning. In the Guardian's shoes My customer is a global financial services company, providing hundreds of online services ... (more)

What are containers, how they relate to Kubernetes, and why this matters to OpenStack

Containers and Kubernetes are hotter than hot because they let developers focus on their applications, without worrying about the underlying infrastructure that delivers them. And while OpenStack didn’t replace AWS, it clearly is a success story in the open infrastructure space. Here’s what you need to know about them, and why they matter to each other. What’s up with containers? If you’ve been in IT for a long time, you may have started hearing about containers since the beginning of the 2000’s. However, the concept really began gaining traction around 2014 with the release of Do... (more)

Using Dynatrace AI based Monitoring to Ensure Blockchain Performance

The explosion of Bitcoin and cryptocurrency has been a proving ground for Blockchain transactions.  Blockchain is a constantly growing list of records called blocks, which are connected and secured using cryptography (1).  Blockchains provide permanent verifiable means of recording transactions between two parties.   Serious actors in Finance, eCommerce and IT are massively investing in and building out Blockchain frameworks.  Blockchain by its very nature requires tremendous processing power and network conversations with actors exchanging blocks.  There has not been a lot of ... (more)