performance8 min read
The Backend Performance Checklist for 2026 — From Database to Edge
A comprehensive performance checklist across all layers—database, application, caching, network, and edge.
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background-jobs12 min read
Reliable Background Jobs — Handling Timeouts, Poison Pills, and Job Duplication
Build durable background job systems resistant to timeouts, poison pills, and duplication. Implement heartbeats, deduplication, and observability patterns.
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backend7 min read
Backup That Never Worked — The False Safety Net That Fails When You Need It Most
You've been running backups for 18 months. The disk dies. You go to restore. The backup files are empty. Or corrupted. Or the backup job failed silently on month 4 and you've been running without a backup ever since. Untested backups are not backups.
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better-auth6 min read
better-auth — The Open-Source Auth Library That Replaces NextAuth
A deep dive into better-auth, the framework-agnostic TypeScript auth library with built-in plugins for 2FA, passkeys, and multi-tenancy.
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backend6 min read
Blocking I/O in Async Systems — The Node.js Event Loop Killer
One synchronous, blocking operation in your Node.js server blocks EVERY concurrent request. JSON.parse on a 10MB payload, a for-loop over 100k items, or a synchronous file read — all of them freeze your event loop and make your entire server unresponsive. Here's how to find and eliminate blocking I/O.
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