OpenShift blog

    April 15, 2021

    Introducing kube-burner, A tool to Burn Down Kubernetes and OpenShift

    This is the first part of a blog series dedicated to explaining what this new tool is, and how the OpenShift PerfScale (Performance and Scalability) team uses it to perform scalability tests in ...

    Raul Sevilla Canavate

    March 29, 2021

    Surviving The API Storm With API Priority & Fairness

    OpenShift is becoming the enterprise platform of choice for cloud native software, implementing higher level abstractions on top of the Kubernetes low-level primitives. As extension mechanisms like ...

    Ivan Sim

    March 17, 2021

    Making Chaos Part of Kubernetes/OpenShift Performance and Scalability Tests

    Performance and Scalability have never been more important to ensure the best user experience. Whether for e-commerce, AI/ML jobs or business critical information gathering, no one likes it when an ...

    Naga Ravi Chaitanya Elluri

    March 4, 2021

    Horizontal Pod Autoscaling of Quarkus Application Based on Memory Utilization

    In this blog, we want to outline the behavior of HPA based on memory using a simple Quarkus application. Overview The Horizontal Pod Autoscaler based on memory automatically scales the number of pods ...

    Gaurav Singh, Daniel Oh, and Joel Smith

    February 23, 2021

    How Full Is My Cluster, Part 6: Proactive Node Autoscaling

    Introduction At the conclusion of the previous post (part 5) in this series (part 1, part 2, part 3, and part 4), we presented a dashboard for making “manual” capacity management decisions. We ...

    Raffaele Spazzoli

    September 23, 2020

    Simple Canary Deployments using Kubernetes StatefulSets on OpenShift

    In this blog post I want to introduce a nice little trick to make canary deployments possible only with Kubernetes StatefulSets and Services. First, let me give a bit of background on why I went down ...

    Matthias Loibl

    August 31, 2020

    Pushing the Limits of OpenShift 4.5 at Scale

    There is an increasing demand for running and managing cloud native applications on a platform that is able to handle the surge in traffic in a scalable and performant manner.  OpenShift is the go-to ...

    Naga Ravi Chaitanya Elluri

    May 22, 2020

    Enabling Monitoring and Scaling of Your Own Services/Application

    In this blog I will guide you on How to enable an application performance monitoring (APM). How to scale a user application based on application metrics with a Horizontal Pod Aotoscaler (HPA). For ...

    Robert Baumgartner

    May 19, 2020

    OpenShift Scale-CI, Part 5: OCP 4.3 Scale Test Run Highlights

    In part 1 of the blog series, we looked at how the Red Hat OpenShift Scale-CI evolved. In part 2, we looked at various components of the Scale-CI framework. In part 3, we looked at the highlights ...

    Naga Ravi Chaitanya Elluri

    May 7, 2020

    Benchmarking OpenShift Network Performance Part 2: Deep Dive

    FURTHER INVESTIGATIONS In part 1, you saw the basics of uperf and how to deploy Ripsaw benchmark operator with default values. Now, A variety of arguments can be tweaked to customize the user's ...

    Courtney Pacheco and Mohit Sheth

    April 27, 2020

    Autoscaling with OpenShift on OpenStack

    With the release of OpenShift 4 at Red Hat Summit in 2019 the world’s best enterprise container management platform unleashed an amazing set of features onto the world. OpenShift 4 completely ...

    August Simonelli