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DevOps and SREs have dashboards to monitor services and product performance, and now it’s time for us to understand how to measure these teams’ performance as well. One significant challenge every company faces these days is measurement. There’s a need to understand what’s happening at every level inside the company and product, from how customers are using the application, through ...

Discover how to automatically inject Spock’s mocks and spies into the Spring context using Spock 1.2. Stubs/mocks/spies in Spock (and their life cycle) have been always tightly coupled with the Spock Specification class. It was only possible to create them in a test class. Therefore, using shared, predefined mocks (in both unit and integration tests) was problematic. The situation was ...

In a previous post I had covered using Knative’s Serving feature to run a sample Java Application. This post will be go into the steps to deploy two applications, with one application calling the other. Details of the Sample The entire sample is available at my github repository – https://github.com/bijukunjummen/sleuth-webflux-sample. The applications are Spring Boot based. The backend application exposes ...

First-Class Functions I: Lambda Functions & Map. What is a first-class function? You may well have heard it said before that a particular language is functional because it has “first-class functions.” As I said in the first article, this is not my point of view. I do agree that first-class functions are an essential feature in any functional language, but ...

The Team Foundation Server (TFS) is a Microsoft product that provides all the necessary features to support the software development process, like source code management, requirements and project management, and build and release processes. These days, TFS supports two types of source code management systems: Team Foundation Version Control (TFVC) and Git. On the surface, both systems are very similar. ...

I have finally got round to learning how to use Docker past the level of knowing what it is and does without ever using it. This is the first post that I have attempted to use Docker in and will probably be what I refer to whenever I start a new project (for Java or Kotlin anyway). This will be ...

Log files are far from perfect. They’re outdated and notoriously difficult to manage, which helped contribute to the success of log aggregators like Splunk. Log files help identify when or where something has gone wrong, but to troubleshoot an issue, there is still a lot of work to get to what actually happened and why. There are 4 main challenges ...

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1. Spring Data Pivotal Gemfire – Introduction In this post, we feature a comprehensive Tutorial on Spring Data Pivotal Gemfire. Pivotal Gemfire is an in-memory data grid solution powered by Apache Geode. The applications built with Pivotal Gemfire allow you to scale your system easily across distributed server nodes. Pivotal Gemfire ensures data consistency irrespective of the distribution architecture. It ...