OpenForBD Engineering Blog https://openforbd.xyz/blog In-depth technical articles on distributed systems, databases, performance, and software architecture. en-US Fri, 30 Oct 2026 12:15:05 GMT Architecting Distributed Multi-Tier Caching for Sub-Millisecond P99 Latency https://openforbd.xyz/blog/architecting-distributed-caching-sub-millisecond-latency https://openforbd.xyz/blog/architecting-distributed-caching-sub-millisecond-latency A comprehensive deep-dive into multi-tier caching architectures (L1 in-process LRU, L2 distributed Redis cluster), cache invalidation stampede mitigation, and lease algorithms. Alexandre Mercer System Design & Architecture Sat, 26 Sep 2026 16:45:37 GMT PostgreSQL Indexing Mastery: B-Trees, BRIN, GIN, and Query Planner Internals https://openforbd.xyz/blog/postgresql-indexing-mastery-btree-brin-gin-internals https://openforbd.xyz/blog/postgresql-indexing-mastery-btree-brin-gin-internals Demystifying how the PostgreSQL query planner makes cost decisions, how to use composite indexes effectively, when BRIN crushes B-Tree by 95% storage savings, and diagnosing sequential scans. Elena Rostova High-Performance Databases Wed, 23 Sep 2026 16:45:37 GMT Zero-Runtime JS: Maximizing Performance with Pure React Server Components https://openforbd.xyz/blog/zero-runtime-js-react-server-components-performance https://openforbd.xyz/blog/zero-runtime-js-react-server-components-performance Why sending megabytes of client JavaScript harms user experience, and how to leverage React Server Components, server-rendered syntax highlighting, and minimal interactive micro-islands. Kaito Tanaka Frontend Performance Mon, 21 Sep 2026 16:45:37 GMT Building Resilient Event-Driven Microservices: Idempotency, Outbox, and Retries https://openforbd.xyz/blog/resilient-event-driven-microservices-idempotency-outbox https://openforbd.xyz/blog/resilient-event-driven-microservices-idempotency-outbox How to prevent dual-write inconsistencies with the Transactional Outbox Pattern, guarantee exactly-once processing semantics through idempotency keys, and handle poison messages with DLQs. Alexandre Mercer Backend & Concurrency Fri, 18 Sep 2026 16:45:37 GMT Linux Kernel Zero-Copy I/O: Deep Dive into sendfile(), splice(), and io_uring https://openforbd.xyz/blog/linux-kernel-zero-copy-sendfile-splice-iouring https://openforbd.xyz/blog/linux-kernel-zero-copy-sendfile-splice-iouring How standard read()/write() system calls waste CPU cycles copying memory between user space and kernel space, and how modern zero-copy primitives dramatically boost network throughput. Alexandre Mercer Backend & Concurrency Mon, 14 Sep 2026 16:45:37 GMT