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Hybrid cloud blog

July 26, 2021

Improving the Resource Efficiency for OpenShift Clusters Via Trimaran Schedulers

Challenges of Resource Management In OpenShift, as a developer, you can optionally specify how much of each resource (CPU, memory and others) a container needs via setting the request and the ...

Asser Tantawi and Chen Wang

June 15, 2021

Multi-Instance GPU Support with the GPU Operator v1.7.0

The Performance and Latency Sensitive Applications (PSAP) team at Red Hat works on the enablement and optimization of Red Hat OpenShift to run compute-intensive enterprise workloads and AI/ML ...

Kevin Pouget

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 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 16, 2021

Sizing Applications in Kubernetes

Today, I’d like to talk a bit more about some of the base Kubernetes functions and some of the specific features available on Red Hat OpenShift to support those functions. Following a previous blog ...

Simon Delord

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

December 3, 2020

OpenShift/Kubernetes Failure Stories at Scale - Lessons Learned from Large and Dense Deployments

Microservices architecture is gaining popularity rapidly, and OpenShift is the go-to platform to run them. Here are a couple of questions that every engineer has on their mind after writing a piece ...

Naga Ravi Chaitanya Elluri

October 2, 2020

Quay.io Serves 1 Billion Container Images in August

When you are using large numbers of containers, a stable of images becomes the basis of your environments, your build processes and everything your developers use day to day. As it is incumbent upon ...

Rob Szumski

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 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 16, 2020

Kubernetes Autoscaling - 3 Common Methods Explained

One of the strengths of Kubernetes as a container orchestrator lies in its ability to manage and respond to dynamic environments. One example is Kubernetes’ native capability to perform effective ...

Karen Bruner