Backend Dev
Postgres Connection Pooling for Go Services (2026)
A 120K‑RPS spike crashed our inbox as Postgres ran out of sockets. Postgres connection pooling in Go prevents…
// tag archive
Microservices
17 articles
AI
AI Agent Canary Deployment: 5 Proven Practices (2026)
After a prompt tweak sent users to fake cities and cost $12k, I learned AI agent canary deployments…
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
Postgres vs CockroachDB: Global Event Store Guide (2026)
A 10k‑event‑per‑second write storm crashed Postgres. Switching to CockroachDB cut tail latency by 40 %—Postgres vs CockroachDB proves winner…
Backend Dev
gRPC Stream Timeouts: 5 Debugging Tips (2026)
An alarm at 2 am revealed a silent gRPC stream timeout that froze dashboards. Trace deadline propagation, close leaked…
Backend Dev
Kafka OpenTelemetry Tracing: Build Event‑Driven Mesh (2026)
A corrupted Avro payload stalled our order pipeline as trace context never crossed Kafka. Kafka OpenTelemetry tracing gives…
Backend Dev
Hexagonal Architecture in Go: 5 Practical Tips (2026)
Your Go service hangs on DB connections because logic is tied to sql.DB. Hexagonal architecture in Go isolates…
System Desgin
Monolith vs Microservices: 5 Tradeoffs for Startups (2026)
A 2‑am outage traced to three HTTP calls shows why early teams need speed. Monolith vs Microservices shows…
Backend Dev
Backend from First Principles: 5 Critical Lessons (2026)
A stray circuit‑breaker turned DB‑hammer, exposing retry storms that kill latency. Backend from first principles shows how to…
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…
Node Js
Prisma Transactions in Node.js: 5 Tips (Production Guide)
Midnight deploys can deadlock your orders table. Using Prisma transactions guarantees ACID safety, eliminates partial writes, and slashes…
Node Js
Distributed Transactions in Node.js: Saga Pattern (2026)
Master distributed transactions in Node.js with the Saga pattern: step‑by‑step choreography or orchestration, idempotent design, and proven rollback…
System Desgin
Designing a Scalable Redis JWT Session Store (2026 Guide)
Learn how to build a Redis‑backed JWT session store that offers instant token revocation, auditability, and million‑scale sessions…
Backend Dev
From PR to Production: How Kubernetes Deployments Actually Work (Single Service + Microservices in the Real World)
Most developers know how to write code. Fewer understand what actually happens after they click “Merge Pull Request.”…