Showing 4 articles
A two-tier memory pattern for NestJS AI agents — Redis for the last few turns, pgvector for permanent facts — with the code, the tradeoffs, and where it breaks.
How to buffer usage events with Redis Streams and report them to Stripe without hitting 429s or double-charging customers, using a NestJS batch worker and deterministic idempotency keys.
Change Streams look production-ready in a demo and fall apart on deploy day. Here's how to persist resume tokens, batch under load, and survive replica set elections in NestJS.
Why revalidateTag() and revalidatePath() silently stop working once your Next.js App Router app runs on more than one server instance, and how to fix it.