https://yasir.com.pk/blog Software design and development en-us admin@yasir.com.pk (Muhammad Yasir) admin@yasir.com.pk (Muhammad Yasir) Invalid Date https://yasir.com.pk/blog/system-design-interview/designs/tiny-url https://yasir.com.pk/blog/system-design-interview/designs/tiny-url Thu, 01 Jan 1970 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designstiny-url https://yasir.com.pk/blog/system-design-interview/glosarry/06-proxies https://yasir.com.pk/blog/system-design-interview/glosarry/06-proxies Master proxy server concepts for system design interviews. Covers forward vs reverse proxy, collapsed forwarding, SSL termination, API gateways, L4 vs L7 proxies, and FAANG interview scripts. Thu, 01 Jan 1970 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designnetworking https://yasir.com.pk/blog/system-design-interview/tradeoff/12-data-compression-vs-deduplication https://yasir.com.pk/blog/system-design-interview/tradeoff/12-data-compression-vs-deduplication Master Data Compression vs Deduplication - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/14-rest-vs-grpc https://yasir.com.pk/blog/system-design-interview/tradeoff/14-rest-vs-grpc Master REST vs gRPC - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/15-polling-vs-long-polling-vs-webSockets-vs-webhooks https://yasir.com.pk/blog/system-design-interview/tradeoff/15-polling-vs-long-polling-vs-webSockets-vs-webhooks Master Polling vs Long Polling vs WebSockets vs Webhooks - System Design for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/11-primary-replica-vs-peer-to-peer https://yasir.com.pk/blog/system-design-interview/tradeoff/11-primary-replica-vs-peer-to-peer Master Primary-Replica vs Peer-to-Peer Replication - System Design Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/basics/01-the-steps-to-solve https://yasir.com.pk/blog/system-design-interview/basics/01-the-steps-to-solve A complete step-by-step guide to solving system design interviews at FAANG level — covering scope clarification, requirements, estimation, API design, high-level architecture, detailed components, caching, sharding, fault tolerance, and more. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/10-sql-vs-nosql https://yasir.com.pk/blog/system-design-interview/tradeoff/10-sql-vs-nosql Master SQL vs NoSQL Trade-offs - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/09-api-gateway-vs-reverse-proxy https://yasir.com.pk/blog/system-design-interview/tradeoff/09-api-gateway-vs-reverse-proxy Master API Gateway vs Reverse Proxy - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/08-api-gateway-vs-direct https://yasir.com.pk/blog/system-design-interview/tradeoff/08-api-gateway-vs-direct Master API Gateway vs Direct Server Access - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/03-latency-vs-throughput https://yasir.com.pk/blog/system-design-interview/tradeoff/03-latency-vs-throughput Master the latency vs throughput trade-off for system design interviews. Covers definitions, measurement techniques, optimization strategies, and FAANG interview scripts for performance-focused designs. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designperformance https://yasir.com.pk/blog/system-design-interview/tradeoff/01-importance https://yasir.com.pk/blog/system-design-interview/tradeoff/01-importance Understand why trade-offs are the heart of system design interviews. Covers FAANG scoring signals, critical thinking patterns, business awareness, and the golden script for presenting trade-offs in any interview. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/glosarry/16-checksum https://yasir.com.pk/blog/system-design-interview/glosarry/16-checksum Master checksum data integrity concepts for system design interviews. Covers MD5/SHA algorithms, write/read paths, corruption detection and recovery, and real-world usage in Cassandra, HDFS, and S3. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdistributed-systems https://yasir.com.pk/blog/system-design-interview/glosarry/04-data-paritioning https://yasir.com.pk/blog/system-design-interview/glosarry/04-data-paritioning Master data partitioning and sharding for system design interviews. Covers horizontal vs vertical partitioning, sharding strategies, hotspots, cross-shard queries, and FAANG scripts. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdatabase https://yasir.com.pk/blog/system-design-interview/tradeoff/02-consistency https://yasir.com.pk/blog/system-design-interview/tradeoff/02-consistency Master strong vs eventual consistency for system design interviews. Covers CAP theorem mapping, synchronous vs async replication, quorum tuning, hybrid approaches, and real-world database examples. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdistributed-systems https://yasir.com.pk/blog/system-design-interview/tradeoff/04-acid-vs-base https://yasir.com.pk/blog/system-design-interview/tradeoff/04-acid-vs-base Master ACID vs BASE - Database Trade-offs - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/05-read-throught-vs-write-through https://yasir.com.pk/blog/system-design-interview/tradeoff/05-read-throught-vs-write-through Master Read-Through vs Write-Through Caching - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/06-stream-vs-batch https://yasir.com.pk/blog/system-design-interview/tradeoff/06-stream-vs-batch Master Stream vs Batch Processing - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/07-load-balancer-vs-api-gateway https://yasir.com.pk/blog/system-design-interview/tradeoff/07-load-balancer-vs-api-gateway Master Load Balancer vs API Gateway - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/16-CDN-vs-direct-server-serving https://yasir.com.pk/blog/system-design-interview/tradeoff/16-CDN-vs-direct-server-serving Master CDN vs Direct Server Serving - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/basics/02-the-functional-non-functional-requirements https://yasir.com.pk/blog/system-design-interview/basics/02-the-functional-non-functional-requirements Master the difference between functional and non-functional requirements in system design interviews. Includes FAANG-level scripts, trade-off patterns, and memorizable examples for any interview. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/glosarry/05-indexes https://yasir.com.pk/blog/system-design-interview/glosarry/05-indexes Master database indexing for system design interviews. Covers index types, B-Tree vs hash, composite and covering indexes, cardinality, clustered vs non-clustered, and FAANG interview scripts. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdatabase https://yasir.com.pk/blog/system-design-interview/glosarry/08-sql-vs-nosql https://yasir.com.pk/blog/system-design-interview/glosarry/08-sql-vs-nosql Master SQL vs NoSQL for system design interviews. Covers data models, scalability, ACID vs BASE, CAP theorem mapping, polyglot persistence, and the top 25 FAANG interview questions with answers. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdatabase https://yasir.com.pk/blog/system-design-interview/glosarry/07-redundancy-replication https://yasir.com.pk/blog/system-design-interview/glosarry/07-redundancy-replication Master redundancy and replication for system design interviews. Covers synchronous vs asynchronous replication, SPOF, failover, replica lag, multi-leader patterns, and FAANG interview scripts. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdatabase https://yasir.com.pk/blog/system-design-interview/glosarry/03-caching https://yasir.com.pk/blog/system-design-interview/glosarry/03-caching Master caching concepts for system design interviews. Covers cache hit/miss, write strategies, read patterns, eviction policies, invalidation, and FAANG-level interview scripts. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designcaching https://yasir.com.pk/blog/system-design-interview/glosarry/02-load-balancing https://yasir.com.pk/blog/system-design-interview/glosarry/02-load-balancing Master load balancing concepts for system design interviews. Covers algorithms, placement strategies, health checks, redundancy, and FAANG-level interview scripts. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designload-balancing https://yasir.com.pk/blog/system-design-interview/tradeoff/17-stateful-vs-stateless https://yasir.com.pk/blog/system-design-interview/tradeoff/17-stateful-vs-stateless Master Stateful vs Stateless Architecture - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/13-server-side-caching-vs-client-side-caching https://yasir.com.pk/blog/system-design-interview/tradeoff/13-server-side-caching-vs-client-side-caching Master Server-Side vs Client-Side Caching - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/basics/04-things-to-avoid https://yasir.com.pk/blog/system-design-interview/basics/04-things-to-avoid Avoid the top 10 mistakes that kill system design interviews. Includes FAANG-level fixes, scripts, and a cheat sheet for every mistake — from ignoring requirements to missing estimation. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/glosarry/15-heart-beat https://yasir.com.pk/blog/system-design-interview/glosarry/15-heart-beat Master heartbeat failure detection for system design interviews. Covers centralized vs decentralized models, heartbeat tuning, gossip protocols, false positives, real-world usage in Kubernetes and Cassandra. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdistributed-systems https://yasir.com.pk/blog/system-design-interview/tradeoff/18-serverless-vs-traditional-server-based https://yasir.com.pk/blog/system-design-interview/tradeoff/18-serverless-vs-traditional-server-based Master Serverless vs Traditional Server-Based - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/19-hybrid-cloud-storage-vs-All-Cloud-storage https://yasir.com.pk/blog/system-design-interview/tradeoff/19-hybrid-cloud-storage-vs-All-Cloud-storage Master Hybrid Cloud vs All-Cloud Storage - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/tradeoff/21-read-heavy-vs-write-heavy-systems https://yasir.com.pk/blog/system-design-interview/tradeoff/21-read-heavy-vs-write-heavy-systems Master Read-Heavy vs Write-Heavy Systems - System Design Interview Guide for system design interviews with FAANG-level scripts and trade-off analysis. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/glosarry/14-leader-and-follower https://yasir.com.pk/blog/system-design-interview/glosarry/14-leader-and-follower Master the leader-follower replication pattern for system design interviews. Covers write coordination, sync vs async replication, follower reads, leader election with Raft/Paxos, and FAANG interview scripts. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdistributed-systems https://yasir.com.pk/blog/system-design-interview/glosarry/13-quoroum https://yasir.com.pk/blog/system-design-interview/glosarry/13-quoroum Master quorum concepts for system design interviews. Covers read/write quorum, R+W>N formula, odd node preference, fault tolerance configurations, split-brain prevention, and FAANG interview scripts. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdistributed-systems https://yasir.com.pk/blog/system-design-interview/glosarry/12-bloom-filters https://yasir.com.pk/blog/system-design-interview/glosarry/12-bloom-filters Master Bloom filters for system design interviews. Covers probabilistic data structures, false positives, bit arrays, hash functions, deletion limitations, and real-world usage in Cassandra and caching systems. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdata-structures https://yasir.com.pk/blog/system-design-interview/glosarry/11-long-pulling-short-pulling https://yasir.com.pk/blog/system-design-interview/glosarry/11-long-pulling-short-pulling Master real-time communication patterns for system design interviews. Covers polling, long polling, WebSockets, and Server-Sent Events with FAANG interview questions and comparison tables. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designnetworking https://yasir.com.pk/blog/system-design-interview/glosarry/10-consistent-hashing https://yasir.com.pk/blog/system-design-interview/glosarry/10-consistent-hashing Master consistent hashing for system design interviews. Covers partitioning vs replication, naive hashing problems, virtual nodes, replication on ring, real-world usage in Cassandra and DynamoDB. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdistributed-systems https://yasir.com.pk/blog/system-design-interview/basics/03-what-are-back-of-the-envelope-estimations https://yasir.com.pk/blog/system-design-interview/basics/03-what-are-back-of-the-envelope-estimations Master back-of-the-envelope estimation for system design interviews. Covers load, storage, bandwidth, latency, and compute calculations with FAANG-level scripts and worked examples. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prep https://yasir.com.pk/blog/system-design-interview/glosarry/09-cap-and-pacelc https://yasir.com.pk/blog/system-design-interview/glosarry/09-cap-and-pacelc Master CAP theorem and PACELC for system design interviews. Covers consistency, availability, partition tolerance, latency trade-offs, database classifications, and 20 FAANG interview questions. Sat, 11 Apr 2026 00:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdistributed-systems https://yasir.com.pk/blog/system-design-interview/glosarry/01-characteristics-of-distributed-systems https://yasir.com.pk/blog/system-design-interview/glosarry/01-characteristics-of-distributed-systems Master the five key characteristics of distributed systems — scalability, reliability, availability, efficiency, and manageability — with FAANG-level interview scripts, cheat sheets, and trade-off insights. Fri, 10 Apr 2026 19:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designdistributed-systems https://yasir.com.pk/blog/system-design-interview/index https://yasir.com.pk/blog/system-design-interview/index Complete system design interview preparation course. Covers the full framework for solving any system design problem — from scope clarification and estimation to high-level design, databases, caching, sharding, and 38 core concept glossary entries. Fri, 10 Apr 2026 14:00:00 GMT admin@yasir.com.pk (Muhammad Yasir) system-design-interviewsystem-designinterview-prepcourse