Performance

This article describes the new statistics added for the user space datapath in Open vSwitch 2.17 and later.

This article demonstrates how to use the OpenShift monitoring stack to monitor performance, troubleshoot issues, optimize resource utilization, and more.

Frame pointers: Untangling the unwinding

Guinevere Larsen

July 31, 2023

Explore how frame pointers can be used to unwind Linux kernel stack traces and examine different ways to obtain a backtrace, along with their pros and cons.

How to balance per-CPU upcall dispatch mode in Open vSwitch

Michael Santana

July 20, 2023

This article explains two ways I fixed issues in the per-CPU upcall dispatch mode in Open vSwitch, creating a more balanced workload for upcall handler threads.

Learn how Apache Kafka Cruise Control optimizes workload and improves performance.

How to investigate 7 common problems in production

Michael Dawson

March 21, 2023

Learn how to investigate common problems in production, including memory leaks, slow performance, etc. (Node.js reference architecture series part 13)

Discover how to improve application and library security at the source with _FORTIFY_SOURCE macro defined to 3 and how it impacts performance.

Valgrind can be used to track file descriptors. Learn how to find file descriptors at various stages of your program and where they were originally opened.

Learn about 8 optimization techniques for a faster interpreter in Ruby which I developed using a dynamically specialized internal representation (IR).

Why GPUs are essential for AI and high-performance computing

Audrey Reznik + 3

November 21, 2022

Learn why graphics processing units (GPUs) have become the foundation of artificial intelligence and how they are being used.

Discover how flexible array members offer convenience and improve performance, and how compiler complexities are mitigated.

Discover the gains and costs of GCC’s enhanced runtime buffer overflow protection. Level 3 _FORTIFY_SOURCE preprocessor macro may detect more buffer overflows, but there’s a cost.

See site reliability engineering (SRE) principles in action and learn how to improve the operability of your code base with this developer coloring book.

Learn from our experts about how SystemTap allows you to add instrumentations to Linux systems to better understand kernel and application behavior.

Dive into how the HotSpot JVM improves your Java application's performance by eliminating range checks and cleverly optimizing loops.