Kubai Kevin

11 articles tagged Vectordb

Golden paths become load-bearing walls

Why thick internal SDKs for AI features become migration hazards, and how to design a thin runtime that enforces model ID, prompt version and embedding dimension.

13 min read · 21 September 2026

Designing a Schema That Survives Embedding Model Upgrades

Why embedding columns break on model upgrades, how to version vectors, migrate legacy JSON payloads, and when to offload to a vector store.

11 min read · 13 September 2026

IDP for AI: 2026 stack evolution

How to wire embedding model changes into an internal developer platform so dimension drift fails loudly instead of silently shipping broken indexes.

14 min read · 2 September 2026

AI on slow networks: Nairobi teams' 2026 playbook

How to cut perceived AI latency with multi-tier caching, stampede guards, and edge orchestration, plus how to measure each layer yourself.

13 min read · 26 August 2026

Prompt Injection Is Not Your Biggest LLM Data Risk

Prompt injection dominates LLM security checklists, but poisoned training data and label drift often cause more damage. A pipeline-stage model for triage.

17 min read · 3 August 2026

Postgres vector search: what breaks first

pgvector works until load grows. Here is what fails first, how to measure it, and when a dedicated ANN service earns its operational cost.

13 min read · 24 July 2026

AI memory systems: context that survives sessions

Why AI agents silently lose memory across restarts, how to scope memory to a session, and how to test persistence before production.

12 min read · 2 July 2026

AI apps break when you treat them like regular software

AI apps fail differently from CRUD services: state accumulates, caches churn, and model outputs drift. Here is how to design, measure, and bound those failure modes.

15 min read · 27 June 2026

AI freelance rates 2026: which stacks still pay

AI code generation shifts effort from writing components to compliance, observability and edge cases. Here is how to price and instrument that hidden work.

12 min read · 13 June 2026

Designing an AI Alert Triage Layer That Reduces Pages

How to build an AI alert-triage service between Alertmanager and your pager: fingerprinting, LLM filtering, fail-open rules, and honest measurement.

14 min read · 12 June 2026

Personal AI assistants: avoid vendor lock-in traps

How to structure a personal AI assistant as replaceable services: contracts, self-hosted embeddings, retries, failure modes, and a checklist to start.

15 min read · 11 June 2026