https://blog.rajpoot.dev/tags/distributed-systems/ Recent content in Distributed Systems on Manvendra Rajpoot https://blog.rajpoot.dev/img/personal/cover.png https://blog.rajpoot.dev/img/personal/cover.png Hugo en Manvendra Rajpoot Sun, 17 May 2026 17:50:46 +0530 https://blog.rajpoot.dev/posts/backend/saga-vs-2pc-2026/ Sat, 02 May 2026 12:30:00 +0530 https://blog.rajpoot.dev/posts/backend/saga-vs-2pc-2026/ Distributed transactions in 2026 — saga patterns, two-phase commit reality, outbox, and the discipline of cross-service consistency. https://blog.rajpoot.dev/system-design/design-url-shortener-2026/ Sat, 02 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/system-design/design-url-shortener-2026/ Design a URL shortener at every scale in 2026 — base62 encoding, key generation, caching, analytics, and the patterns from real shorteners. https://blog.rajpoot.dev/system-design/design-distributed-counter-2026/ Fri, 01 May 2026 05:50:00 +0530 https://blog.rajpoot.dev/system-design/design-distributed-counter-2026/ How to design a distributed counter — naive Postgres, Redis sharding, async aggregation, and the patterns from real high-volume systems. https://blog.rajpoot.dev/system-design/design-multi-region-saas-2026/ Fri, 01 May 2026 04:40:00 +0530 https://blog.rajpoot.dev/system-design/design-multi-region-saas-2026/ How to design a multi-region SaaS in 2026 — data residency, replication, latency, deploys, and the patterns from real distributed teams. https://blog.rajpoot.dev/system-design/design-distributed-locks-2026/ Fri, 01 May 2026 01:00:00 +0530 https://blog.rajpoot.dev/system-design/design-distributed-locks-2026/ How to do distributed locks correctly in 2026 — Redlock, Redis SET NX, Postgres advisory locks, ZooKeeper / etcd, and the gotchas that bite. https://blog.rajpoot.dev/system-design/design-distributed-cache-2026/ Thu, 30 Apr 2026 22:20:00 +0530 https://blog.rajpoot.dev/system-design/design-distributed-cache-2026/ How to design a distributed cache in 2026 — consistent hashing, replication, eviction, and the tradeoffs from real cache deployments. https://blog.rajpoot.dev/system-design/design-rate-limiter-distributed-2026/ Thu, 30 Apr 2026 18:20:00 +0530 https://blog.rajpoot.dev/system-design/design-rate-limiter-distributed-2026/ How to scale a rate limiter beyond single-Redis in 2026 — sharded counters, local-then-global hybrid, sliding-window approximations, and the patterns at billion-request scale. https://blog.rajpoot.dev/posts/backend/circuit-breakers-bulkheads-2026/ Thu, 30 Apr 2026 14:10:00 +0530 https://blog.rajpoot.dev/posts/backend/circuit-breakers-bulkheads-2026/ Production resilience patterns in 2026 — circuit breakers, bulkheads, backpressure, retries with jitter, and timeouts. The patterns that keep services up under stress. https://blog.rajpoot.dev/system-design/design-distributed-task-queue-system/ Thu, 30 Apr 2026 10:40:00 +0530 https://blog.rajpoot.dev/system-design/design-distributed-task-queue-system/ How to design a distributed task queue from first principles — durability, ordering, retries, deduplication, fairness, dead-letter queues, and the storage choices that decide each. https://blog.rajpoot.dev/system-design/design-uber-location-dispatch-system/ Thu, 30 Apr 2026 10:30:00 +0530 https://blog.rajpoot.dev/system-design/design-uber-location-dispatch-system/ End-to-end system design for an Uber-style ride-hailing platform — geo-indexing, dispatch matching, ETAs, surge pricing, and the operational realities. https://blog.rajpoot.dev/system-design/design-youtube-video-streaming-system/ Thu, 30 Apr 2026 10:20:00 +0530 https://blog.rajpoot.dev/system-design/design-youtube-video-streaming-system/ End-to-end system design for a YouTube-style video streaming platform — upload, transcoding, storage, CDN, ABR, recommendations, and the tradeoffs. https://blog.rajpoot.dev/posts/backend/temporal-durable-execution-2026/ Thu, 30 Apr 2026 08:30:00 +0530 https://blog.rajpoot.dev/posts/backend/temporal-durable-execution-2026/ What durable execution is, why Temporal won the workflow engine market in 2026, and how to use it for reliable agents, payments, and long-running processes. https://blog.rajpoot.dev/system-design/design-whatsapp-chat-system-design/ Wed, 29 Apr 2026 11:00:00 +0530 https://blog.rajpoot.dev/system-design/design-whatsapp-chat-system-design/ A complete system design for a WhatsApp-style chat — connections at scale, message storage, delivery receipts, group chat, presence, end-to-end encryption, and the tradeoffs. https://blog.rajpoot.dev/system-design/design-twitter-news-feed-system-design/ Wed, 29 Apr 2026 10:50:00 +0530 https://blog.rajpoot.dev/system-design/design-twitter-news-feed-system-design/ A complete system design for a Twitter-style news feed — fanout-on-write vs fanout-on-read, hybrid model, ranking, capacity, caching, and the tradeoffs interviewers care about. https://blog.rajpoot.dev/posts/backend/idempotency-retries-exactly-once/ Tue, 28 Apr 2026 20:20:00 +0530 https://blog.rajpoot.dev/posts/backend/idempotency-retries-exactly-once/ How idempotency, retries, and the outbox pattern actually work in production — designing idempotency keys, retry budgets, and why exactly-once delivery doesn't exist (and what to build instead). https://blog.rajpoot.dev/system-design/design-rate-limiter-system-design/ Tue, 28 Apr 2026 19:20:00 +0530 https://blog.rajpoot.dev/system-design/design-rate-limiter-system-design/ A complete system design for a distributed rate limiter — token bucket, leaky bucket, sliding window log, sliding window counter, and how to build them with Redis at scale. https://blog.rajpoot.dev/system-design/design-url-shortener-system-design/ Tue, 28 Apr 2026 19:10:00 +0530 https://blog.rajpoot.dev/system-design/design-url-shortener-system-design/ A senior-engineer's walkthrough of designing a URL shortener — requirements, capacity, ID generation strategies, schema, caching, analytics, and the tradeoffs interviewers care about. https://blog.rajpoot.dev/system-design/distributed-systems-fundamentals/ Tue, 28 Apr 2026 19:00:00 +0530 https://blog.rajpoot.dev/system-design/distributed-systems-fundamentals/ The mental model for distributed systems — partial failure, CAP, replication, partitioning, consistency models, time and ordering, and the tradeoffs that decide every architecture. https://blog.rajpoot.dev/posts/backend/rate-limiting-strategies-for-apis/ Tue, 28 Apr 2026 15:05:00 +0530 https://blog.rajpoot.dev/posts/backend/rate-limiting-strategies-for-apis/ How to rate limit your API properly — fixed window, sliding window, leaky bucket, token bucket, Redis implementations, and what to put in your headers. https://blog.rajpoot.dev/posts/backend/redis-caching-strategies/ Tue, 28 Apr 2026 15:00:00 +0530 https://blog.rajpoot.dev/posts/backend/redis-caching-strategies/ A practical guide to caching with Redis — cache-aside, read-through, write-through, write-behind, TTLs, invalidation, and the patterns that scale. https://blog.rajpoot.dev/posts/python/celery-background-tasks-explained/ Tue, 28 Apr 2026 14:55:00 +0530 https://blog.rajpoot.dev/posts/python/celery-background-tasks-explained/ How to use Celery properly — brokers, workers, retries, idempotency, scheduling, and the patterns that don't bite you in production.