Harish Krishnan — WritingEssays on software engineering, AI systems, and the craft, by Harish Krishnan.https://harishkrishnan24.github.io/There's No Magic in Your Databasehttps://harishkrishnan24.github.io/me/blog/what-happens-when-you-run-a-query/https://harishkrishnan24.github.io/me/blog/what-happens-when-you-run-a-query/You type SELECT and rows come back. In between is a stack of twelve layers, each solving one very sensible problem. Here's the whole journey, following a single query from your terminal to the disk and back.Sat, 11 Jul 2026 00:00:00 GMTdatabasespostgresqlinternalssystemsWhy Your AI Features Feel Bolted Onhttps://harishkrishnan24.github.io/me/blog/why-ai-features-feel-bolted-on/https://harishkrishnan24.github.io/me/blog/why-ai-features-feel-bolted-on/Most AI integrations disappoint for the same reason, viewed three ways. Here are the three failure modes — and the one architectural idea that fixes all of them.Mon, 29 Jun 2026 00:00:00 GMTarchitectureai-systemsagent-nativetypescript