--- title: "#database-architecture articles | Hashnode" description: "Explore 12 articles tagged #database-architecture on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/database-architecture" --- Tag # #database-architecture 12 posts · 0 followers [Cruxtab Technologies Pvt. Ltd.](https://hashnode.com/@cruxtab) · [Oct 30](https://hashnode.com/posts/using-mongodb-for-application-data-and-session-storage-in-a-shopify-app/6ae4a0e83a2c7476afe6ac69) ### [Using MongoDB for Application Data and Session Storage in a Shopify App](https://cruxtab-technologies.hashnode.dev/using-mongodb-for-application-data-and-session-storage-in-a-shopify-app?utm_source=hashnode&utm_medium=feed) Explore how MongoDB supports persistent application data and session storage in a Shopify application, including connection and multi-tenant considerations. 3 min read · [cruxtab-technologies.hashnode.dev](https://cruxtab-technologies.hashnode.dev/using-mongodb-for-application-data-and-session-storage-in-a-shopify-app?utm_source=hashnode&utm_medium=feed) [Usman Khan](https://hashnode.com/@usmankhan-io) · [Oct 13](https://hashnode.com/posts/postgresql-jsonb-write-amplification-toast-fragmentation/6ace56ba75b77f8151648cd5) ### [PostgreSQL JSONB Write Amplification: TOAST Chunk Fragmentation and Unseen I/O Thrashing](https://ctousman.hashnode.dev/postgresql-jsonb-write-amplification-toast-fragmentation?utm_source=hashnode&utm_medium=feed) Why a one-key jsonb\_set() rewrites the whole document, and how to stop JSONB from flooding your WAL 6 min read · [ctousman.hashnode.dev](https://ctousman.hashnode.dev/postgresql-jsonb-write-amplification-toast-fragmentation?utm_source=hashnode&utm_medium=feed) [Usman Khan](https://hashnode.com/@usmankhan-io) · [Oct 9](https://hashnode.com/posts/postgresql-mvcc-autovacuum-starvation-hot-update-breakdown/6ac9098d28e52327ada92fbb) ### [PostgreSQL MVCC Autovacuum Starvation: HOT Update Breakdown & Table Bloat under Heavy Write Loads](https://ctousman.hashnode.dev/postgresql-mvcc-autovacuum-starvation-hot-update-breakdown?utm_source=hashnode&utm_medium=feed) Why HOT updates break under heavy writes, and how fillfactor and per-table autovacuum tuning fix table bloat 5 min read · [ctousman.hashnode.dev](https://ctousman.hashnode.dev/postgresql-mvcc-autovacuum-starvation-hot-update-breakdown?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/postgresql-mvcc-autovacuum-starvation-hot-update-breakdown/6ac9098d28e52327ada92fbb) [Lakshay Dhoundiyal](https://hashnode.com/@LakshayDhoundiyal) · [Sep 12](https://hashnode.com/posts/youtubes-continue-watching-button/6aa5471c3b396c9a7c4ddbf5) ### [The Hidden Distributed System Behind YouTube’s “Continue Watching” Button 🎬⚙️](https://lakshaydhoundiyal.hashnode.dev/youtubes-continue-watching-button?utm_source=hashnode&utm_medium=feed) How YouTube saves your playback progress, syncs it across devices, and makes one tiny timestamp feel like magic 10 min read · [lakshaydhoundiyal.hashnode.dev](https://lakshaydhoundiyal.hashnode.dev/youtubes-continue-watching-button?utm_source=hashnode&utm_medium=feed) [Lakshay Dhoundiyal](https://hashnode.com/@LakshayDhoundiyal) · [Sep 4](https://hashnode.com/posts/how-does-gmail-know-a-username-is-already-taken/6a9a6e26433fabf5fd357eb2) ### [How Does Gmail Know a Username Is Already Taken in Milliseconds?](https://lakshaydhoundiyal.hashnode.dev/how-does-gmail-know-a-username-is-already-taken?utm_source=hashnode&utm_medium=feed) The system-design concepts behind username availability checks, database indexing, caching, APIs, and low-latency distributed systems 10 min read · [lakshaydhoundiyal.hashnode.dev](https://lakshaydhoundiyal.hashnode.dev/how-does-gmail-know-a-username-is-already-taken?utm_source=hashnode&utm_medium=feed) [O Meling](https://hashnode.com/@gothar) · [May 8](https://hashnode.com/posts/beyond-sql-and-nosql-a-clearer-map-of-the-modern-data-stack/69fde49d1f1f9e4c889a4aee) ### [Beyond SQL and NoSQL: A Clearer Map of the Modern Data Stack](https://gothartech.hashnode.dev/beyond-sql-and-nosql-a-clearer-map-of-the-modern-data-stack?utm_source=hashnode&utm_medium=feed) The SQL-versus-NoSQL debate has outlived its usefulness. Modern systems are not divided into two camps; they are organized into kingdoms of purpose — transactional truth, semantic retrieval, path traversal, lexical search, and analytical scale. A field guide to choosing honestly. 13 min read · [gothartech.hashnode.dev](https://gothartech.hashnode.dev/beyond-sql-and-nosql-a-clearer-map-of-the-modern-data-stack?utm_source=hashnode&utm_medium=feed) [iReadCustomer Center](https://hashnode.com/@ireadcustomer) · [Apr 18](https://hashnode.com/posts/postgresql-vs-mongodb-2026-thai-e-commerce-architecture-guide-1/69e354386ff36dd9d7bbb8d5) ### [PostgreSQL vs MongoDB 2026: Thai E-commerce Architecture Guide](https://ireadcustomer-blog.hashnode.dev/postgresql-vs-mongodb-2026-thai-e-commerce-architecture-guide-1?utm_source=hashnode&utm_medium=feed) A deep dive into PostgreSQL vs MongoDB 2026 for Thai developers, covering SQL vs NoSQL architecture, e-commerce benchmarks, and PDPA database compliance strategies. 6 min read · [ireadcustomer-blog.hashnode.dev](https://ireadcustomer-blog.hashnode.dev/postgresql-vs-mongodb-2026-thai-e-commerce-architecture-guide-1?utm_source=hashnode&utm_medium=feed) [iReadCustomer Center](https://hashnode.com/@ireadcustomer) · [Apr 18](https://hashnode.com/posts/postgresql-vs-mongodb-2026-thai-e-commerce-architecture-guide/69e338ccb057dfe2e0cb5390) ### [PostgreSQL vs MongoDB 2026: Thai E-commerce Architecture Guide](https://ireadcustomer-blog.hashnode.dev/postgresql-vs-mongodb-2026-thai-e-commerce-architecture-guide?utm_source=hashnode&utm_medium=feed) A deep dive into PostgreSQL vs MongoDB 2026 for Thai developers, covering SQL vs NoSQL architecture, e-commerce benchmarks, and PDPA database compliance strategies. 6 min read · [ireadcustomer-blog.hashnode.dev](https://ireadcustomer-blog.hashnode.dev/postgresql-vs-mongodb-2026-thai-e-commerce-architecture-guide?utm_source=hashnode&utm_medium=feed) [Jeremy Longshore](https://hashnode.com/@jeremylongshore) · [Mar 25](https://hashnode.com/posts/building-ai-friendly-codebase-documentation-a-real-time-claudemd-creation-journeyn/69c45cd6e92252d51654cced) ### [Building AI-Friendly Codebase Documentation: A Real-Time CLAUDE.md Creation Journey\\n](https://jeremylongshore.hashnode.dev/building-ai-friendly-codebase-documentation-a-real-time-claudemd-creation-journeyn?utm_source=hashnode&utm_medium=feed) Building AI-Friendly Codebase Documentation: A Real-Time CLAUDE.md Creation Journey Have you ever wondered what happens when an AI needs to understand your codebase from scratch? Today I'm sharing exactly that process - how Claude Code analyzed my an... 6 min read · [jeremylongshore.hashnode.dev](https://jeremylongshore.hashnode.dev/building-ai-friendly-codebase-documentation-a-real-time-claudemd-creation-journeyn?utm_source=hashnode&utm_medium=feed) [Tech Insights Hub](https://hashnode.com/@JohnMikes) · [Feb 13](https://hashnode.com/posts/how-to-build-multi-region-database-architecture/698f03513d8676567c1d53ae) ### [How to Build Multi-Region Database Architecture](https://topperblog.hashnode.dev/how-to-build-multi-region-database-architecture?utm_source=hashnode&utm_medium=feed) How to Build Multi-Region Database Architecture Building a multi-region database architecture has become essential for modern applications that demand low latency, high availability, and disaster recovery capabilities. As we move through 2025-2026, t... 7 min read · [topperblog.hashnode.dev](https://topperblog.hashnode.dev/how-to-build-multi-region-database-architecture?utm_source=hashnode&utm_medium=feed)