All 21 articles, sorted alphabetically
System Design: Rate Limiting
Read article →System Design: Circuit Breaker Pattern - AICassindra
Deep dive into the Circuit Breaker pattern for building resilient distributed systems.
Read article →Bloom Filters | System Design
Read article →The Saga Pattern: Managing Distributed Transactions | System Design
Read article →System Design: Load Balancing - AICassindra
Deep dive into Load Balancing strategies, algorithms, and implementation patterns in distributed systems.
Read article →Designing a Real-Time Chat System (1M concurrent users)
End-to-end architecture for a WhatsApp-scale chat system, from connection layer to message storage.
Read article →Designing an API Gateway
Routing auth rate-limit observability in one tier.
Read article →Designing a Distributed Cache (Memcached/Redis-style)
Consistent hashing replication and eviction policies.
Read article →Designing an Event-Driven Order System
State machine, idempotency, and the recovery story.
Read article →Designing a Feature Flag System
Targeting, rollout, kill switch, and audit.
Read article →Designing a File Upload Service (S3-style)
Resumable uploads multipart deduplication and lifecycle policies.
Read article →Designing a Metrics Aggregation System
Time-series ingest pre-aggregation and downsampling.
Read article →Designing a Notification Service
Push email SMS multi-channel fan-out with retries.
Read article →Designing a Payment System
Idempotency keys ledger reconciliation and PCI scope.
Read article →Designing a Quota System
Token bucket, sliding window, distributed counters.
Read article →Designing Search at Scale
Inverted index, ranking, freshness, personalization.
Read article →Designing Search Autocomplete
Trie-based prefix matching with personalization.
Read article →Designing Uber Dispatch System
Geo-indexing matchmaking and surge pricing.
Read article →Designing a URL Shortener (TinyURL-scale)
Hashing collision strategies database choice and analytics.
Read article →Designing YouTube Recommendation Ranking
Two-tower retrieval candidate generation and learning-to-rank.
Read article →Rate Limiting Strategies Compared
Token bucket, leaky bucket, fixed window, sliding window — when each one is wrong.
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