The Netflix TechBlog

APRIL 8, 2025

By Cheng Xie , Bryan Shultz , and Christine Xu In a previous blog post , we described how Netflix uses eBPF to capture TCP flow logs at scale for enhanced network insights. In this post, we delve deeper into how Netflix solved a core problem: accurately attributing flow IP addresses to workload identities. A BriefRecap FlowExporter is a sidecar that runs alongside all Netflix workloads.

AWS 188

AWS Traffic Network Programming 188

DZone

APRIL 8, 2025

A detailed website QA checklist helps make sure every aspect of the website is tested, whether through manual or automated testing approaches. It usually covers parameters like functionality, performance, usability, security, and compatibility across various browsers and devices. By following the website QA checklist, testers can test the website step-by-step, making sure everything works well without any bugs.

Website 147

Website Testing Performance 147

O'Reilly

APRIL 8, 2025

It almost sounds pejorative, doesnt it? But the distinction between senior and junior software developers is built into our jobs and job titles. Whether we call it entry-level or something else, we distinguish between people who are just starting their careers and those who have been around for a while. Were all still learning (one hopes), but entry-level people are still learning the basics, and seniors have greater responsibility, along with the potential for making bigger mistakes.

Programming 92

Programming Code Software Software 92

DZone

APRIL 8, 2025

Scheduling is crucial in computer system design. The right policy can significantly reduce mean response time without needing faster machines, effectively improving performance for free. Scheduling also optimizes other metrics, such as user fairness and differentiated service levels, ensuring some job classes have lower mean delays than others [1]. MySQL 8.0 uses the Contention-Aware Transaction Scheduling (CATS) algorithm to prioritize transactions waiting for locks.

Performance 147

Performance Metrics Design Systems 147

DZone

APRIL 8, 2025

In this tutorial, we consolidated some practical approaches regarding OpenTelemetry and how to use it with Spring Boot.

Architecture 130

Architecture Testing 130