--- title: "#scalability articles | Hashnode" description: "Explore 1,141 articles tagged #scalability on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/scalability" --- Tag # #scalability 1,141 posts · 111 followers [Min SiThu](https://hashnode.com/@itsmeminsithu) · [2d ago](https://hashnode.com/posts/what-is-a-message-queue-how-apps-talk-without-waiting-for-an-answer/6af66c8ff3d327dd6219d95e) ### [What Is a Message Queue? How Apps Talk Without Waiting for an Answer](https://itsmeminsithu.hashnode.dev/what-is-a-message-queue-how-apps-talk-without-waiting-for-an-answer?utm_source=hashnode&utm_medium=feed) Calling another service directly is like phoning someone and waiting on the line — a queue is like leaving a note on their desk 7 min read · [itsmeminsithu.hashnode.dev](https://itsmeminsithu.hashnode.dev/what-is-a-message-queue-how-apps-talk-without-waiting-for-an-answer?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/what-is-a-message-queue-how-apps-talk-without-waiting-for-an-answer/6af66c8ff3d327dd6219d95e) [Min SiThu](https://hashnode.com/@itsmeminsithu) · [3d ago](https://hashnode.com/posts/how-does-an-app-stay-fast-when-a-million-people-use-it/6af51add6d7d71bcda315fbb) ### [How Does an App Stay Fast When a Million People Use It?](https://itsmeminsithu.hashnode.dev/how-does-an-app-stay-fast-when-a-million-people-use-it?utm_source=hashnode&utm_medium=feed) One server cannot carry a crowd — so a quiet traffic cop spreads the work around 6 min read · [itsmeminsithu.hashnode.dev](https://itsmeminsithu.hashnode.dev/how-does-an-app-stay-fast-when-a-million-people-use-it?utm_source=hashnode&utm_medium=feed) [Anil Ramisetty](https://hashnode.com/@anilramisetty) · [4d ago](https://hashnode.com/posts/enterprise-crm-insights-4-enterprise-integration-patterns-for-dynamics-365/6af2efd0e7a0244f45e74159) ### [Enterprise CRM Insights #4: Enterprise Integration Patterns for Dynamics 365](https://enterprise-crm-insights.hashnode.dev/enterprise-crm-insights-4-enterprise-integration-patterns-for-dynamics-365?utm_source=hashnode&utm_medium=feed) Lessons from Real-World CRM Projects 14 min read · [enterprise-crm-insights.hashnode.dev](https://enterprise-crm-insights.hashnode.dev/enterprise-crm-insights-4-enterprise-integration-patterns-for-dynamics-365?utm_source=hashnode&utm_medium=feed) [vasundhra](https://hashnode.com/@vasundhra) · [4d ago](https://hashnode.com/posts/why-your-mobile-app-needs-a-scalable-architecture-from-day-one/6af2f10b38c4da3b75ce4ff4) ### [Why Your Mobile App Needs a Scalable Architecture From Day One](https://techblogs3.hashnode.dev/why-your-mobile-app-needs-a-scalable-architecture-from-day-one?utm_source=hashnode&utm_medium=feed) Learn why scalable mobile app architecture matters, from modular development and API design to database optimization and security. 6 min read · [techblogs3.hashnode.dev](https://techblogs3.hashnode.dev/why-your-mobile-app-needs-a-scalable-architecture-from-day-one?utm_source=hashnode&utm_medium=feed) [Amaanullah Khan](https://hashnode.com/@amaanullah-dev) · [Nov 3](https://hashnode.com/posts/enterprise-software-development-roadmap-build-scalable-business-systems/6aea44314f4244115c6d5d14) ### [Enterprise Software Development Roadmap: Build Scalable Business Systems](https://amaanullahdev.hashnode.dev/enterprise-software-development-roadmap-build-scalable-business-systems?utm_source=hashnode&utm_medium=feed) A practical 2026 enterprise software roadmap: legacy modernization, microservices vs modular monolith, SOC 2 compliance, and building AI-ready systems 11 min read · [amaanullahdev.hashnode.dev](https://amaanullahdev.hashnode.dev/enterprise-software-development-roadmap-build-scalable-business-systems?utm_source=hashnode&utm_medium=feed) [Vrushika D](https://hashnode.com/@vrushika) · [Oct 31](https://hashnode.com/posts/building-a-scalable-qr-code-generation-system-technical-challenges-and-solutions/6ae5807e95b9cde0a487c272) ### [Building a Scalable QR Code Generation System: Technical Challenges and Solutions](https://digitalqr.hashnode.dev/building-a-scalable-qr-code-generation-system-technical-challenges-and-solutions?utm_source=hashnode&utm_medium=feed) QR codes have become an important part of modern digital interactions. From online payments and product information to event registrations and business networking, they provide a simple way to connect 11 min read · [digitalqr.hashnode.dev](https://digitalqr.hashnode.dev/building-a-scalable-qr-code-generation-system-technical-challenges-and-solutions?utm_source=hashnode&utm_medium=feed) [Yash Dhawane](https://hashnode.com/@yashdhawane) · [Oct 29](https://hashnode.com/posts/scalability-why-adding-more-servers-isn-t-always-the-answer/6ae3a887600653514ff84800) ### [Scalability: Why Adding More Servers Isn't Always the Answer](https://yashdhawane.hashnode.dev/scalability-why-adding-more-servers-isn-t-always-the-answer?utm_source=hashnode&utm_medium=feed) Learn how backend systems scale with vertical and horizontal scaling, caching, read replicas, database bottlenecks, and sharding. 6 min read · [yashdhawane.hashnode.dev](https://yashdhawane.hashnode.dev/scalability-why-adding-more-servers-isn-t-always-the-answer?utm_source=hashnode&utm_medium=feed) [Hamed Yousefi](https://hashnode.com/@hmdsefi) · [Oct 28](https://hashnode.com/posts/actors-in-production-how-discord-linkedin-and-halo-use-the-actor-model/6ae22a53e7c1c74c20f50883) ### [Actors in Production: How Discord, LinkedIn and Halo Use the Actor Model](https://hmdsefi.hashnode.dev/actors-in-production-how-discord-linkedin-and-halo-use-the-actor-model?utm_source=hashnode&utm_medium=feed) Three companies, three runtimes, one idea: give every user, server or game its own actor, and let messages do the rest. 16 min read · [hmdsefi.hashnode.dev](https://hmdsefi.hashnode.dev/actors-in-production-how-discord-linkedin-and-halo-use-the-actor-model?utm_source=hashnode&utm_medium=feed) [Muhammad Ahmad](https://hashnode.com/@mahmad) · [Oct 27](https://hashnode.com/posts/chatgpt-800-million-users-one-postgres-primary/6ae0932d981aead7386afcd9) ### [ChatGPT Serves 800 Million Users From One Postgres Primary. Here's How.](https://mahmad.hashnode.dev/chatgpt-800-million-users-one-postgres-primary?utm_source=hashnode&utm_medium=feed) The five fixes from OpenAI's engineering post, explained with an interactive diagram you can poke at 3 min read · [mahmad.hashnode.dev](https://mahmad.hashnode.dev/chatgpt-800-million-users-one-postgres-primary?utm_source=hashnode&utm_medium=feed) [Aritra Chakraborty](https://hashnode.com/@aidatalegends) · [Oct 28](https://hashnode.com/posts/netflix-conductor-4-0-scaling-workflows-to-30-000-tasks-with-asynchronous-evaluation/6ae209bf0b4d2a1d2246ea62) ### [Netflix Conductor 4.0: Scaling Workflows to 30,000 Tasks with Asynchronous Evaluation](https://aidatalegends.hashnode.dev/netflix-conductor-4-0-scaling-workflows-to-30-000-tasks-with-asynchronous-evaluation?utm_source=hashnode&utm_medium=feed) How Netflix rebuilt its workflow engine to go from about 2,500 to 30,000 tasks per workflow, and what it means for your orchestrator 4 min read · [aidatalegends.hashnode.dev](https://aidatalegends.hashnode.dev/netflix-conductor-4-0-scaling-workflows-to-30-000-tasks-with-asynchronous-evaluation?utm_source=hashnode&utm_medium=feed)