@Prehqsy

Threads vs Processes in Task Queues: The Reliability Tradeoff

3h ago · 3 min read · When I started building Tarsq, the execution model was thread-based. At first, threads felt like the obvious choice: Lightweight Easy shared memory Simple ctx injection Lower overhead Straightfor

The Reflection Pattern in AI: Teaching Models to Think About Their Thinking

Feb 10 · 4 min read · I was building an AI system, and I kept running into the same frustrating problem: the AI would generate outputs that looked great at first glance, but had very subtle issues. wrong calculations, unrealistic assumptions, logic that made no sense. So ...

Retrieval Is Not Resolution: Building a Hallucination-Resistant RAG System with LLMs and SQL Server

Dec 31, 2025 · 6 min read · The problem (it looked simple until I tried it) I started building what I thought was a straightforward system: user types a gadget name → system returns the price That’s it. Nothing fancy. Then reality hit. Users don’t type “apple iphone 12 pro 12...

RAG from First Principles: Chunking, Embeddings

Dec 22, 2025 · 4 min read · What is Retrieval-Augmented Generation(RAG)?Imagine you have a company database full of internal documents, reports, and manuals. An LLM alone cannot read all these files at once; if you ask it a specific question about them, it will likely give a ge...

The Hidden Cost of Reusing Database Sessions in Backend Applications

Dec 20, 2025 · 2 min read · ProblemI was working on a project recently, A backend endpoint consistently returned stale data even after updates were successfully written to the database. Restarting the server immediately fixed the issue and caused the endpoint to return the corr...