Backend Dev
Usage‑Metered Billing API for Claude Proxy: 5 Steps (2026)
Ghost usage doubled your costs. A usage‑metered billing API for Claude proxies captures token counts at edge, ensures…
// tag archive
Redis
25 articles
System Desgin
Scalable UGC Webhook API: 5 Patterns for 2026
A sudden 502 surge proved my Go‑Redis webhook queue can drown under load. UGC webhook API with idempotent…
Backend Dev
Idempotent Billing Service Go: 5 Tips (2026)
When a Stripe charge repeats, customers rage. Learn idempotent billing service Go techniques that prevent double‑charges, slash refunds,…
System Desgin
Designing a Rate Limiter: 5 Patterns (2026 Guide)
A mis-configured limiter throttled healthy traffic, showing the need for atomic cleanup and low latency. See a Go…
Backend Dev
Distributed Locking for AI Agents (2026 Production Guide)
Race conditions corrupt multi-agent context in milliseconds. Implement distributed locking with Redis Redlock and fencing tokens to prevent…
Backend Dev
Idempotent Retry Logic in Go: AI CRM Calls (2026 Guide)
Duplicate CRM calls are destroying your customer data. Implement idempotent retry logic in Go with Redis-backed state, circuit…
Backend Dev
Multi-Region Redis Session Management: 5 Tips (2026)
A read‑only replica stalled logins across Europe. Multi‑region Redis gives resilient, TLS‑secured session storage, slashing outage impact and…
Backend Dev
Idempotent Kafka Consumer in Go: 5 Proven Patterns (2026)
A double‑charge after a Kafka rebalance showed at‑least‑once delivery can duplicate actions. Idempotent Kafka consumer with Redis deduplication…
kubernetes
AI Agent Memory Leak in Kubernetes: 5 Fixes (2026)
Your LLM chatbot crashes as pods hit OOM‑kill. Discover the AI agent memory leak in Kubernetes and apply…
Backend Dev
Redis Caching Patterns: 5 Ways to Slash Latency (2026)
Your microservice hit 120 ms 99th‑percentile after a cache stampede. Redis caching patterns stop stampedes, cut latency to sub‑2 ms…
System Desgin
Rate Limiter Design: 5 Patterns That Scale (2026)
A 4k RPS 429 surge exposed a broken in‑memory limiter; I rebuilt a rate limiter with Token Bucket and…
AI
Human-in-the-Loop AI Workflows: 2026 Implementation Guide
Add a human‑in‑the‑loop (HITL) safety layer to AI agents with async approval queues, Redis/Postgres, Go, Docker, and immutable…
Backend Dev
Redis Data Loader: Supercharge ORM Caching (2026 Guide)
Combine Redis with the Data Loader pattern to crush N+1 ORM queries, dropping latency from ~150 ms to under…
AI
Build a Context‑Aware AI Agent with Google ADK & Gemini
Learn how to build a context‑aware AI agent in Node.js using Google’s ADK and Gemini. The guide covers…
AI
Deploy AI Agent with Flask & JavaScript (2024)
Learn how to build a scalable, user‑friendly AI chatbot using Flask, Celery, Redis, and a JavaScript front‑end with…
Node Js
BullMQ Real‑Time Dashboard: Track Jobs & Metrics (2024)
Learn how to build a BullMQ dashboard that streams real‑time job status via WebSockets, persists metrics to Prometheus,…
Backend Dev
BullMQ Monitoring & Debugging with Grafana (2026 Guide)
Learn to expose BullMQ metrics with a custom Prometheus exporter, build Grafana dashboards, set alerts, and use correlation…
Node Js
BullMQ Retries, Rate Limiting & Delayed Tasks (2024 Guide)
Configure BullMQ with exponential backoff, jitter, rate limiting and delayed jobs so Node.js workers stay resilient, avoid thundering‑herd…