The Compute and Performance Engineering teams at Netflix tackle performance issues in their multi-tenant environment by leveraging eBPF to monitor noisy neighbor problems. This blog post details how they use eBPF to continuously instrument the Linux scheduler to catch run queue latency issues efficiently. By accessing kernel data structures through eBPF, the teams can identify […]
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The author details their complete overhaul of their home networking setup, transitioning from TP-Link to Ubiquiti’s Unifi devices. Facing challenges with their concrete home’s Wi-Fi coverage, they strategically deploy multiple Access Points per floor. They dive deep into configuring the Router, APs, and Switches, emphasizing the importance of optimizing channels and transmission powers for maximum […]
The author delves into the intricate maze of Minneapolis streets and avenues, exploring the East and West, North and South divides in the city. The Mississippi River serves as the primary marker, separating Northeast and Southeast from North and South. Through detailed maps and explanations, the author reveals the peculiarities of naming schemes, numbering systems, […]
This post delves into the intricacies of human interactions in the workplace, highlighting how subtle shifts in tone, body language, and behavior can significantly impact team dynamics. The author emphasizes the importance of being aware of these cues and actively working to set or reset the ‘temperature’ of the room by being a thermostat rather […]
Summarized: Easily create hand-drawn style wireframes with stress-free, time-saving features. Express ideas quickly without worrying about perfection. Mix with various diagrams like flowcharts and UML diagrams. Access over 1,500 icons, templates for web, mobile, and desktop. Use presentation mode to present wireframes like a slideshow. Create mirror frames for easy reuse and updates. Subscribe to […]
This web content details the process of running Linux on a low-end device, surpassing previous records in speed and accessibility. The author discusses selecting components like microSD slots and PSRAM chips for storage and DRAM replacement. The decision to emulate the MIPS R2000/R3000 chip for efficiency and familiarity is explained, along with the implementation of […]
Binsider is a powerful tool for analyzing ELF binaries, providing features like readelf and strace in a user-friendly terminal interface. It allows users to inspect strings, examine linked libraries, and perform hexdumps for both static and dynamic analysis. This tool offers a unique and convenient way to delve into the inner workings of ELF binaries, […]
Making a table row clickable isn’t as straightforward as it seems. This article delves into the challenges of creating links out of table rows, offering solutions like using JavaScript or adding anchor elements to each table cell. Surprisingly, nesting anchor elements within one another is not valid HTML. Real-world examples from GitHub and Reddit illustrate […]
The sapphire sea at Mamallapuram still shines under the sun, with astonishing sculptures of gods, goddesses, and animals carved on the rocks behind. In the heyday of the Pallava dynasty, Mamallapuram was a bustling seaport, with ships carrying goods like textiles, spices, and gold to Southeast Asia. William Dalrymple’s ‘The Golden Road’ challenges the traditional […]
The task of converting DC voltages involves complex terminology and math, but the operation is not difficult to understand. Traditional methods such as resistor-based voltage dividers are common in hobbyist projects. An improved method using a transistor-based voltage follower can be more efficient, while feedback mechanisms can further enhance linear regulators. Switched-mode regulators, like charge […]