HWHasitha Wickramasingheinblog.hazya.dev·2h ago · 11 min readModern AWS Networking: Architecting with Transit Gateway, Cloud WAN, and VPC LatticeIn modern enterprise cloud adoption, managing network topology across multiple AWS accounts, geographical regions, and on-premises environments is a critical challenge. A simple hub-and-spoke model is00
YJYasir Jafriinyasir323.hashnode.dev·3d ago · 17 min readThe Transactional Outbox Pattern in Python: Solving the Dual-Write ProblemThere's a particular kind of bug I've learned to be afraid of. It doesn't throw an exception. It doesn't show up in your tests. It passes code review, ships on a Friday, and works perfectly for three 00
AGAvanish Garginavanish-garg.hashnode.dev·5d ago · 6 min readHow Cursor's Time-Travel Works: The Engineering Behind 'Continue and Revert' (Without Using Git)WELCOME TO THE CURIOSITY CRUNCH — EPISODE 02 A series where we take the technical phenomena we blindly trust every day, stop ignoring them, and ruthlessly deconstruct the math, engineering, and archit00
SBSamanta Bindrainarchitecturedev.hashnode.dev·5d ago · 8 min readKafka Partitioning Strategy in ProductionPartition count is the most consequential — and most irreversible — decision you make when designing a Kafka topic. Get it right and your system scales gracefully for years. Get it wrong and you're ei00
DDayoinjdayo.hashnode.dev·Jun 22 · 6 min readBuilding a Custom PaaS (Part 1)There is a certain comfort in pushing code to a managed platform like Heroku or Vercel. You run a command, a deployment process kicks off, and a few minutes later, your application is live on a secure00
MMaverickinjyanshu.hashnode.dev·Jun 22 · 7 min readMediator PatternThe Mediator Pattern is a behavioral design pattern that centralizes communication between objects. Instead of objects talking to each other directly (which creates a tangled web of dependencies), the00
HYHabib Yusufinmanlikehb.hashnode.dev·Jun 16 · 11 min readHozonDB: Write-Ahead Logging and the Cost of DurabilityThe Problem Before this milestone, HozonDB could lose data silently. A DELETE would mark a row's slot dead in memory, write the dirty page to disk, then remove the corresponding entry from the B+ tree00
HYHabib Yusufinmanlikehb.hashnode.dev·Jun 15 · 14 min readBuilding a Buffer Pool: Why Your Database Shouldn't Talk to Disk DirectlyHozonDB is a relational database engine I'm building from scratch in Rust, mostly as a way to actually understand how databases work instead of just using them. Previous posts covered slotted page sto00
MMMainStay Marketinginmainstay.hashnode.dev·Jun 12 · 2 min readRefactoring Legacy Code vs. Managed Services: Sustaining System Health RemotelyIn the rush to support decentralized users, internal IT teams often deploy rapid, undocumented API patches to force legacy systems to communicate with cloud applications. Over time, these temporary sc00
IUInna Udalaya (Inna Story)ininna-udalaya.hashnode.dev·Jun 11 · 6 min readFrom Documents to Entities: The Architecture of Identity in the Era of AI Search (AEO/GEO)The integration of Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) systems into modern search interfaces has fundamentally changed the mechanics of digital visibility. Traditiona00
