System Design Essentials: Databases, Messaging, HTTP & DNS Explained

System Design Essentials: Databases, Messaging, HTTP & DNS Explained

This week’s system design refresher covers various fundamental concepts including Transformers Step-by-Step Explained (Youtube video), Database Types essential for 2025, a comparison of Apache Kafka vs. RabbitMQ, an exploration of The HTTP Mindmap, and a detailed explanation of How DNS Works, alongside an inquiry into real-time updates from web servers. Transformers Step-by-Step Explained (Attention Is

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Comparing Messaging Systems & API Styles: Kafka, REST, GraphQL

Comparing Messaging Systems & API Styles: Kafka, REST, GraphQL

What Is Redis Really About? Why Is It So Popular? RabbitMQ vs Kafka vs Pulsar RabbitMQ, Kafka, and Pulsar each facilitate message movement, yet they address fundamentally distinct challenges within distributed system architectures. This presented diagram appears straightforward; however, it encapsulates three highly divergent conceptual models crucial for constructing robust distributed systems. RabbitMQ functions as

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The Architecture Behind LinkedIn’s AI-Powered Hiring Assistant

The Architecture Behind LinkedIn’s AI-Powered Hiring Assistant

The recruitment profession necessitates both strategic foresight and precise attention to detail. Recruiters are tasked with making crucial decisions regarding optimal candidate suitability for roles, yet a substantial portion of their time is dedicated to repetitive pattern recognition. Tasks such as reviewing hundreds of resumes, assessing qualifications against job criteria, and crafting tailored outreach messages

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Meta’s GEM: Powering Ad Recommendations at Unprecedented Scale

Meta’s GEM: Powering Ad Recommendations at Unprecedented Scale

The information presented in this post is derived from details publicly shared by the Meta Engineering Team, to whom all technical credit is attributed. Original articles and sources are listed in the references section. An analysis of these details is provided; any inaccuracies or omissions can be brought to attention for correction. In Q2 2025,

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