Red Hat OpenShift on IBM Z and IBM LinuxONE - Performance

Find information and tips about the performance of Red Hat® OpenShift® on IBM Z® and IBM® LinuxONE.

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Red Hat OpenShift Container Platform on Z - CPU Consumption Demystified

Learn about CPU virtualization on IBM Z, how OpenShift handles these virtualized CPUs, and about performance tips and best practices. Also, find the answers to questions like:
  • Does OpenShift distinguish IFLs from regular CPUs?
  • Why can a cluster consume IFLs if no workload is deployed?
  • Why do the OpenShift and z/VM® dashboards show different utilization values?

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Red Hat OpenShift Container Platform on Z - CPU Consumption Demystified

Creation date
May 2021

Red Hat OpenShift Container Platform on Z Networking Performance

Cloud-native applications can use high-performance network connections to achieve high throughput and low latency. This presentation analyzes the performance of the network stack of Red Hat OpenShift on IBM Z in detail and uses this knowledge as a basis for performance tuning of hybrid cloud platforms.

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Red Hat OpenShift Container Platform on Z Networking Performance

Creation date
November 2020

Red Hat OpenShift on IBM Z - Performance Experiences, Hints and Tips

Red Hat OpenShift enables Hybrid Cloud solutions on the IBM Mainframe. This presentation summarizes the experiences of the Linux® on IBM Z performance team when evaluating OpenShift on Z. It also provides hints and tips for improving the performance of an OpenShift cluster for typical cloud-native applications.

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Red Hat OpenShift on IBM Z - Performance Experiences, Hints and Tips

Creation date
October 2020