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Distributed Systems Guides

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Distributed Systems in System Design

11 in-depth guides covering how distributed systems is used in real system design interviews. Learn when to use it, its trade-offs, and how to discuss it with confidence at companies like Google, Meta, Amazon.

Aug 1, 2026•30 min
LLM Gateway System Design Interview Guide: Token-Aware Rate Limiting, Routing & Semantic Caching
LLM gateway system design asks you to rate limit by tokens, not requests — and a response's token count isn't known until it finishes streaming. Covers token-aw...
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Dec 25, 2025•25 min
Monitoring System Design Interview Guide: Metrics, Alerting & TSDB
Master monitoring system design for your next big tech interview. Covers time-series data modelling, the ingestion API, pull vs push ingestion, collector agent ...
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Dec 23, 2025•20 min
How to Design a Distributed ID Generator - Complete System Design Guide
Master distributed ID generator system design for your next big tech interview. Covers why auto-increment fails at scale, UUID trade-offs, Snowflake's 64-bit st...
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Dec 22, 2025•22 min
How to Design a Distributed Task Scheduler - Complete System Design Guide
Master distributed task scheduler system design for your next big tech interview. Covers task submission guarantees, push vs pull worker models, leader election...
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Dec 20, 2025•22 min
How to Design a Real-Time Collaborative Editor like Google Docs - System Design Guide
Master collaborative editor system design for your next big tech interview. Covers Operational Transformation vs CRDTs with the math explained, WebSocket archit...
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Dec 8, 2025•18 min
How to Design a Pastebin Service - Complete System Design Guide
Master Pastebin system design for your next big tech interview. Covers unique key generation approaches and their trade-offs, content storage in object storage ...
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Dec 5, 2025•22 min
How to Design DoorDash - Complete System Design Guide
Master DoorDash system design for your next big tech interview. Covers the three-sided marketplace architecture, order state machine, dasher dispatch with geoha...
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Dec 1, 2025•22 min
How to Design an E-Commerce Website - Complete System Design Guide
Master e-commerce system design for your next big tech interview. Covers microservices architecture, product catalog with Elasticsearch, Redis shopping cart, in...
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Nov 28, 2025•22 min
How to Design a Real-Time Messaging System - Complete System Design Guide
Master real-time messaging system design for your next big tech interview. Covers WebSocket connection management, cross-server message routing with Redis Pub/S...
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Nov 25, 2025•20 min
How to Design a Content Delivery Network (CDN) - Complete System Design Guide
Master CDN system design for your next big tech interview. Covers Anycast vs DNS-based routing, PoP architecture, multi-tier cache hierarchy, push vs pull CDNs,...
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Oct 1, 2025•18 min
How to Design a Rate Limiter - Complete System Design Guide
Master rate limiter system design for your next big tech interview. Learn every algorithm — token bucket, sliding window, leaky bucket — plus Redis-backed distr...
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Go Beyond Reading About Distributed Systems

Distributed Systems concepts show up across many system design interviews. Practice applying them in full interview simulations and get actionable feedback.

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Related Technologies

Rate LimiterCachingPrometheusTime SeriesObservabilityKafkaWebsocketCdnRedisReal Time

Companies That Test Distributed Systems

AirbnbAkamaiAmazonAtlassianCloudflareDatadogDiscordDoorDashDropboxFastly