Performance

Learn how to connect VMs to user-defined networks in OpenShift with this quick demo.

Learn about the new Cryostat 4.0 release and the Agent Autoconfiguration feature

Enable hardware-enabled networking for containerized workloads using Red Hat OpenShift, BlueField DPUs, and NVIDIA DOCA Platform Framework.

Explore inference performance improvements that help vLLM serve DeepSeek AI models more efficiently in this technical deep dive.

This article describes benchmarking the Vertical Pod Autoscaler (VPA) in OpenShift, including recommendations for tuning VPA components.

This study proves database throughput in VMs on OpenShift with “out-of-the-box”

An examination of the impact of VXLAN encapsulation on throughput and CPU consumption.

This article provides examples for creating and using network attachment definitions (NADs) in OpenShift Virtualization for advanced network performance.

This article starts a series exploring how this architecture on server-grade hardware can perform in face of some data center workloads, such as bare network throughput and up to Open vSwitch with tunneling.

This document delves into the performance & scale benefits of using this

This article explores use cases for the dynamic quorum configuration in Kafka that allows KRaft clusters to scale controller nodes without downtime.

This article details new Python performance optimizations in RHEL 9.5.

Creating Grafana dashboards from scratch can be tedious. Learn how to create a premade dashboard when using the Performance Co-Pilot plug-in for Grafana.

Monitor policy compliance, detect violations, and track detailed network flows with the Network Observability eBPF agent.

Explore 3 limitations of using frame pointers for stack unwinding and profiling in Linux that are often overlooked, plus possible future alternatives.

Dive into register allocation in the Go compiler, including the register allocator's components, how it works, and its advantages and disadvantages.

Use existing SystemTap tapsets to make your SystemTap scripts more concise and more portable. Write your own tapsets to allow yourself and others to reuse SystemTap code across multiple instrumentation scripts.

In Network Observability Operator 1.6, users can now disable Loki when fetching network insights for OpenShift clusters. Explore the advantages and trade-offs.

Learn how to use the Network Observability CLI (oc netobserv) to implement on-demand network observability on OpenShift without installing any operators.

Learn how to monitor a PostgreSQL database server using Prometheus and Grafana in this tutorial.

This article examines database virtio-blk I/O performance improvements using the IOThread Virtqueue Mapping feature in Red Hat Enterprise Linux 9.4.

This article covers the IOThread Virtqueue Mapping feature for KVM guests that was introduced in Red Hat Enterprise Linux 9.4.

Learn how to customize a kube-burner workload to deploy virtual machines (VMs) at scale on Red Hat OpenShift, with end-to-end examples.

Learn how to install and configure Grafana, Prometheus, and Node Exporter to collect data from the operating system.

Learn how to monitor Red Hat OpenShift Virtualization using user-workload-monitoring with Prometheus (openshift-monitoring) and Grafana.