RAG Applications Need More Than a Vector Database: Chunking, Retrieval, and Answer Boundaries
A useful RAG system depends on document structure, retrieval evaluation, reranking, source citations, permission rules, and clear answer boundaries.
Tags: Backend Development
OpenTelemetry for Small Teams: Start with Traces, Then Add Metrics and Logs
Small teams do not need to implement every observability signal at once. Start with traces to connect requests, then add metrics and structured logs.
What to Watch in PostgreSQL 18: UUIDv7, Async I/O, and Upgrade Checks
PostgreSQL 18 brings useful capabilities, but production upgrades still need extension checks, backups, restore drills, query baselines, and rollback planning.