https://yasir.com.pk/blog Software design and development en-us admin@yasir.com.pk (Muhammad Yasir) admin@yasir.com.pk (Muhammad Yasir) Sat, 11 Apr 2026 00:00:00 GMT 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/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/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/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/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/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