https://example.com/blog Production engineering notes on AI systems, backend architecture, scalability and reliability. en Sat, 22 Aug 2026 19:05:41 GMT https://example.com/blog/scaling-nodejs-api-100-to-1m https://example.com/blog/scaling-nodejs-api-100-to-1m Each scaling tier exists to remove one specific bottleneck. Here is which bottleneck, in what order, and what each fix costs you. SCALABILITY Wed, 12 Aug 2026 09:00:00 GMT https://example.com/blog/how-production-rag-systems-work https://example.com/blog/how-production-rag-systems-work The demo is a vector search and a prompt. The production system is eight components, and most of the engineering is in the seven that are not the model. GENAI Thu, 06 Aug 2026 09:00:00 GMT https://example.com/blog/redis-queues-vs-direct-processing https://example.com/blog/redis-queues-vs-direct-processing When to do the work inside the request, when to queue it, and the four things that make a queue safe to retry. BACKEND Tue, 28 Jul 2026 09:00:00 GMT https://example.com/blog/multi-tenant-saas-architecture https://example.com/blog/multi-tenant-saas-architecture Three isolation models, how to pick one, and why the dangerous bug is always a query somebody forgot to scope. SYSTEM DESIGN Sun, 19 Jul 2026 09:00:00 GMT https://example.com/blog/handling-third-party-api-failures https://example.com/blog/handling-third-party-api-failures Every external dependency will fail. Timeouts, breakers, backoff and a defined degraded state are the four things that decide whether that becomes your outage. ENGINEERING Thu, 09 Jul 2026 09:00:00 GMT https://example.com/blog/what-happens-when-database-goes-down https://example.com/blog/what-happens-when-database-goes-down Read-only mode, buffered writes and a rehearsed failover turn a database outage into degraded service instead of a dead product. DATABASES Tue, 30 Jun 2026 09:00:00 GMT https://example.com/blog/angular-ssr-vs-csr-for-saas https://example.com/blog/angular-ssr-vs-csr-for-saas Rendering strategy is a per-route decision, not a per-app one. Marketing pages, dashboards and documentation each want something different. FRONTEND Sun, 21 Jun 2026 09:00:00 GMT