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Open Liberty Java runtime now available to Red Hat Runtimes subscribers

Open Liberty Java runtime now available to Red Hat Runtimes subscribers

November 14, 2019

Open Liberty is a lightweight, production-ready Java runtime for containerizing and deploying microservices to the cloud, and is now available as part of a Red Hat Runtimes subscription. If you are a Red Hat Runtimes subscriber, you can write your Eclipse MicroProfile and Jakarta EE apps on Open Liberty and then run them in containers on […]

Tracing Kubernetes applications with Jaeger and Eclipse Che

Tracing Kubernetes applications with Jaeger and Eclipse Che

November 14, 2019

Developing distributed applications is complicated. You can wait to monitor for performance issues once you launch the application on your test or staging servers, or in production if you’re feeling lucky, but why not track performance as you develop? This allows you to identify improvement opportunities before rolling out changes to a test or production […]

Pod Lifecycle Event Generator: Understanding the PLEG is not healthy issue in Kubernetes

Pod Lifecycle Event Generator: Understanding the "PLEG is not healthy" issue in Kubernetes

November 13, 2019

In this article, I’ll explore the “PLEG is not healthy” issue in Kubernetes, which sometimes leads to a “NodeNotReady” status. When understanding how the Pod Lifecycle Event Generator (PLEG) works, it is helpful to also understand troubleshooting around this issue. What is PLEG? The PLEG module in kubelet (Kubernetes) adjusts the container runtime state with […]

Plumbing Kubernetes CI/CD with Tekton

Plumbing Kubernetes CI/CD with Tekton

November 12, 2019

Our first DevNation Live regional event was held in Bengaluru, India in July. This free technology event focused on open source innovations, with sessions presented by elite Red Hat technologists. In this session, Kamesh Sampath introduces Tekton, which is the Kubernetes-native way of defining and running CI/CD. Sampath explores the characteristics of Tekton—cloud-native, decoupled, and […]

Autoscaling Red Hat Fuse applications with OpenShift

Autoscaling Red Hat Fuse applications with OpenShift

November 11, 2019

In this article, we demonstrate Red Hat OpenShift’s horizontal autoscaling feature with Red Hat Fuse applications. The result is a Spring Boot-based application that uses the Apache Camel component twitter-search that searches Twitter for tweets based on specific keywords. If traffic or the number of tweets increases, and this application cannot serve all requests, then […]

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