Kubernetes

Running Microsoft SQL Server pod on OpenShift
Article

State of Functions-as-a-Service on Kubernetes (OpenShift Commons Briefing)

Rob Terzi

If you are interested in serverless computing / Functions-as-a-Service (FaaS) Red Hat’s Michael Hausenblas and Brian Gracely reviewed open source for FaaS on Kubernetes (Apache Open Whisk, kubeless, OpenFaaS) and discussed the pros/cons on an architectural level as well as from a UX)point of view.

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Article

Bringing Coolstore Microservices to the Service Mesh: Part 2--Manual Injection

James Falkner

In this post, we will deploy the existing Coolstore microservices demo as a service mesh and start to demonstrate the tangible value you can get out of the system without any major rewrite or rearchitecture of the existing app. We'll also improve our project along the way to adhere to Istio best practices.

Istio Chaos Engineering
Article

Istio Chaos Engineering: I Meant to Do That

Don Schenck

Testing software is challenging and very important. Testing for correctness is one thing, but testing for failures in network reliability is quite another task. This article will demonstrate how Istio makes this oh so easy.

Cloud Lab Environment in a Backpack
Article

A Cloud Lab Environment in a Backpack

Marcelo "Ataxexe" Guimarães

Have you ever thought about having your own cloud environment? A local cloud is one of the best things you can do to better understand all the gears that run inside a highly productive environment. How do I know that? I've done it! And I'm ready to show you how I did, and how you can do it.

Istio logo
Article

Bringing Coolstore Microservices to the Service Mesh: Part 1 - Exploring Auto-injection

James Falkner

distributed architectures introduce more complexity, services meshes can help soften the landing and shift some of that complexity out of our applications and place it where it belongs, in the application operational layer: Bringing Coolstore Microservices to the Service Mesh: Part 1 - Exploring auto-injection

Running Microsoft SQL Server pod on OpenShift
Article

Red Hat OpenShift Container Platform Load Testing Tips

Supannee Amnajmongkol

This article will share the lessons learned load testing Red Hat OpenShift Container Platform with a large bank in the Association of Southeast Asian Nations (ASEAN) who plans to develop a new mobile back-end application using microservices and container technology.

Running Microsoft SQL Server pod on OpenShift
Article

Deploying a Spring Boot App with MySQL on OpenShift

Chandra Shekhar Pandey

This article covers how to deploy a spring boot app which interacts with mysql in an OpenShift Environment. We might have a requirement where we have to migrate our Spring Boot standalone project to OpenShift environment or we might have to create Docker images.

Istio
Article

Istio Circuit Breaker: When Failure Is an Option

Don Schenck

The phrase "Failure is not an option" is tossed about with much bravado, with Istio Circuit Breaker. But the fact remains, things eventually fail. Everything. How, then, do you handle the inevitable failure of your microservices? This article will show you how.

Istio Circuit Breaker: How to Handle (Pool) Ejection
Article

Istio Circuit Breaker: How to Handle (Pool) Ejection

Don Schenck

This is week three of a ten-week series about Istio, kubernetes and OpenShift. The series started with an introduction to Istio, and this week covers Istio Circuit Breaker: How To Handle (Pool) Ejection.

Red_Hat-Decision_Manager-Logo
Article

Getting Started with Red Hat Decision Manager 7

Duncan Doyle

Red Hat Decision Manager 7 has been recently released. Decision Manager 7 is the successor of Red Hat JBoss BRMS, our business rules and decision management platform. In this post we will have a look at the main new features of the platform and we will provide instructions on how to get started

Open vSwitch-DPDK
Article

Open vSwitch-DPDK: How Much Hugepage Memory?

Kevin Traynor

This article covers how to calculate how much huge page memory is needed with Open vSwitch-DPDK? In order to maximize performance of the Open vSwitch DPDK datapath, it pre-allocates hugepage memory. As a user you are need to say how much.

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Article

Next DevNation Live: Camel Riders in the Cloud, March 15th, 12pm EDT

Burr Sutter

The next online DevNation Live Tech Talk will be Thursday, March 15th at 12pm EDT. The topic is Camel Riders in the Cloud presented by Claus Ibsen Apache Camel has fundamentally changed the way enterprise Java™ developers think about system-to-system integration. It makes it easy to apply enterprise integration patterns (EIP) using simple declarations. The result is a lightweight application that is wrapped and delivered as a single JAR. In this session, we’ll show you how to apply the best...

Intro to Istio blog series
Article

Istio Route Rules: Telling Service Requests Where to Go

Don Schenck

This article covers Istio Route Rules and telling Service Requests Where To Go. OpenShift and Kubernetes do a great job of working to make sure calls to your microservice are routed to the correct pods. What if, however, you want to customize the routing?

Effective Business Process Management with JBoss BPM
Article

Get Started on Process Driven Development with JBoss BPM

Eric D. Schabell

Read this article if you interested in an introduction to the concepts of process management (BPM); you want to learn how your business can leverage process driven application delivery; or you are looking for an easy to understand guide to mastering Red Hat JBoss BPM suite tooling.

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Article

Red Hat Summit 2018 to focus on Modern App Development

Mike Guerette

Following is a diverse set of developer-related breakouts, workshops, BoFs, and labs for Red Hat Summit 2018. With these 61+ sessions, we believe that every attending application developer will come away with a strong understanding of where Red Hat is headed in this app dev space.

Intro to Istio blog series
Article

Istio: It makes a mesh of things

Don Schenck

this is an introduction to Istio. Istio helps automate the developer time to implement a feature. The combination of code complexity and code heft (i.e. number of lines of code) can put a drag on an implementation. Istio is a better way.

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Article

Red Hat Container Development Kit (CDK) With Nested KVM

Scott McCarty (fatherlinux)

running the Red Hat Container Development Kit (CDK) With Nested KVM. Red Hat Container Development Kit (CDK) relies on virtualization to create a Red Hat Enterprise Linux (RHEL) virtual machine to run OpenShift (based on Kubernetes).