System Design (LLD)
This Low-Level Design (LLD) synthesizes the architectural patterns of Netflix’s RENO (Rapid Event Notification), Meta’s PTP (Precisio...
System Design (HLD)
In system design, tutorial, Jan 17, 2026
Designing a Rate Limiter at Scale (LLD)
In system design, tutorial, Jan 16, 2026
Designing a Rate Limiter at Scale (HLD)
In system design, tutorial, Jan 16, 2026All Stories
System Design (LLD)
This Low-Level Design (LLD) synthesizes the architectural patterns of Netflix’s RENO (Rapid Event Notification), Meta’s PTP (Precision Time Protocol) implementation, and Netflix’s Dis...
In system design, tutorial, Jan 17, 2026
Designing a Rate Limiter at Scale (LLD)
This Low-Level Design (LLD) synthesizes high-scale architectural patterns from Netflix’s RAW Hollow (in-memory state), Uber’s Zanzibar/API Gateway (middleware orchestration), and Netf...
In system design, tutorial, Jan 16, 2026
Designing a Rate Limiter at Scale (HLD)
This High-Level Design (HLD) synthesizes large-scale architectural patterns from Netflix and Uber—specifically CQRS for configuration management, Prioritized Load Shedding, and Middle...
In system design, tutorial, Jan 16, 2026
google gmail auth system (LLD)
This Low-Level Design (LLD) synthesizes lessons from the Google 2020 authentication outage (quota-system migration failure), the Cloudflare 2025 “Bot Management” feature file incident...
In system design, tutorial, Jan 16, 2026
google gmail auth system (HLD)
This High-Level Design (HLD) synthesizes the architectural lessons from the 2020 Google User ID Service outage and subsequent distributed systems failures (Cloudflare, DynamoDB) to ou...
In system design, tutorial, Jan 16, 2026
memecache facebook
This report synthesizes technical insights from Facebook’s Engineering blog posts regarding their distributed caching infrastructure, specifically focusing on mcrouter and the evoluti...
In system design, tutorial, Jan 16, 2026
Android - no_image
Dark themeDark theme is available in Android 10 (API level 29) and higher. It has many benefits: Can reduce power usage by a significant amount (depending on the device’s screen tech...
In tutorial, no_image, android, Jan 23, 2025
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