Go Concurrency: Goroutines, Channels & sync.WaitGroup
Complete Go native concurrency guide: lightweight goroutines, CSP-style channels, sync.WaitGroup, Context cancellation, worker pool patterns, and goroutine leak prevention.
Backend
Server-side development best practices including API design, database optimization, and microservices architecture
3 posts
Node.js Performance Diagnostics: clinic.js & Flamegraphs
Node.js performance diagnostics: clinic.js one-click reports, reading flamegraphs for hot functions, event-loop blockers, memory leak stacks to pinpoint CPU/memory bottlenecks.
Redis Cache Design Patterns
Three core caching patterns: Cache-Aside consistency, Write-Through atomic updates, Write-Behind async high-throughput writes, plus solutions for stampede, penetration, and avalanche.