18 articles tagged Rag
Redis vs Valkey vs Dragonfly: which in-memory store?
A mechanism-first guide to picking Redis, Valkey or Dragonfly: fork history, single-thread limits, expiry semantics, migration tests and metrics.
17 min read · 7 November 2026
3 LLM context techniques: when each fails
Compare fine-tuning, retrieval-augmented generation and long context by failure mode, cost arithmetic and a decision checklist, with code for each.
15 min read · 1 November 2026
JWT sessions: revocation, rotation, storage
Why JWT revocation is a state problem, how refresh token rotation with reuse detection works, and how token storage shapes the threat model.
14 min read · 27 October 2026
APM is blind to your AI agents
Traditional APM monitors transport, not semantics. See how to instrument retrieval quality, token cost, and answer correctness in AI agent pipelines.
12 min read · 25 September 2026
RAG rots if you don’t refresh indexes
RAG indexes rot when source documents change. Learn change detection, chunk versioning, and incremental refresh patterns, with code and a cost model.
15 min read · 4 August 2026
When a vector DB misconfiguration breaks RAG silently
Vector DB misconfigurations cause RAG outages that look like app bugs. Learn to detect index errors, add circuit breakers, and instrument query latency.
11 min read · 29 July 2026
Designing Alert Triage That Suppresses Noise Safely
Classify alerts by shape and downstream impact, then suppress with evidence. Includes PromQL, SQL, breaker logic, and a 30-minute first step.
12 min read · 11 July 2026
Audit logs: ship them fast, keep them forever
Design an audit log pipeline that separates durability from searchability, with tiered retention, integrity hashing, and a cost model you can verify.
14 min read · 6 July 2026
LLMOps 2026: evaluation stack that replaced RAG dashboards
Why RAG dashboards miss real failures, and how to build an evaluation stack around task resolution, dataset rotation, prompt versioning, and drift checks.
13 min read · 5 July 2026
RAG is not enough: hybrid search + reranking in 2026
Dense retrieval alone ranks poorly. A two-stage pipeline of BM25 plus a cross-encoder reranker fixes it. Architecture, code, and how to measure it.
12 min read · 27 June 2026
AI steals junior tasks: 3 skills that protect pay
AI coding tools make boilerplate cheap. Here is how to measure whether your time is shifting to validated product work or just faster scaffolding.
13 min read · 24 June 2026
Log audit costs without breaking compliance
Compare PostgreSQL and ClickHouse for audit logging: write amplification, query latency, retention, cost modelling, and a decision checklist.
13 min read · 22 June 2026
Designing Offline-First Apps for Unreliable Networks
Offline-first architecture for metered, low-signal networks: storage, encryption, sync scheduling, conflict resolution, and how to measure each.
15 min read · 21 June 2026
Compare Kafka, Redpanda, NATS for event-driven systems
Compare Kafka, Redpanda and NATS on durability, tail latency and cost, with config defaults, failure modes and a bake-off checklist you can run yourself.
14 min read · 14 June 2026
Which AI wrappers made money in 2026
Most AI wrapper products fail on latency, cost, and churn rather than model quality. Here is a rubric, failure analysis, and code to build one that lasts.
10 min read · 12 June 2026
Observability 2026: ditch the three pillars
Why the logs-metrics-traces split breaks under load, and how to design a single event store with schemas, queries and migration steps.
14 min read · 10 June 2026
RAG pipelines: 4 silent prod killers
A practical guide to the silent failure modes that break RAG pipelines at scale: tokenizer drift, GPU fragmentation, index skew, and cache stampedes.
13 min read · 8 June 2026
RAG in prod: what tutorials won’t tell you
Why nightly embedding refreshes break RAG latency, and how a hot/cold retrieval split with partial vector updates fixes it.
14 min read · 8 June 2026