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Tag for content related to software performance.

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The N+1 Query Problem in Django: How to Spot It and Kill It Before It Kills Your API

The N+1 Query Problem in Django: How to Spot It and Kill It Before It Kills Your API

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5 min read
PHP-FPM vs FrankenPHP classic vs Octane worker

PHP-FPM vs FrankenPHP classic vs Octane worker

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3 min read
Nginx proxy_buffering: the one setting that quietly breaks your backend under load

Nginx proxy_buffering: the one setting that quietly breaks your backend under load

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2 min read
Your GAN Beauty Effect Needs a Device Budget, Not a Universal “On” Switch

Your GAN Beauty Effect Needs a Device Budget, Not a Universal “On” Switch

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9 min read
The Background-Tab Bug I Missed in My JavaScript Polling Code

The Background-Tab Bug I Missed in My JavaScript Polling Code

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6 min read
Your endpoint returns 200 OK. It also ran 51 queries.

Your endpoint returns 200 OK. It also ran 51 queries.

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1 min read
Escape Analysis Boundaries in Go: What the Compiler Decides and What It Costs You

Escape Analysis Boundaries in Go: What the Compiler Decides and What It Costs You

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6 min read
Cloud Rightsizing Without Breaking Production: gp2 to gp3, EC2 CPU Baselines and GPU Instances (G5, G6, P4, P5)

Cloud Rightsizing Without Breaking Production: gp2 to gp3, EC2 CPU Baselines and GPU Instances (G5, G6, P4, P5)

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5 min read
Java 21 Virtual Threads: Is the Thread Pool Era Over?

Java 21 Virtual Threads: Is the Thread Pool Era Over?

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1 min read
Migrating from spatie/laravel-permission to Redis: A Production Playbook

Migrating from spatie/laravel-permission to Redis: A Production Playbook

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5 min read
I Tested 4 Retry Strategies Against a Free Model Server. Naive Retries Made It Worse.

I Tested 4 Retry Strategies Against a Free Model Server. Naive Retries Made It Worse.

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5 min read
I built a unified context gateway for AI agents that syncs in ~12ms. Here is how it works.

I built a unified context gateway for AI agents that syncs in ~12ms. Here is how it works.

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5 min read
Why Does a Webpage Feel Instant When the Server Is Thousands of Miles Away?

Why Does a Webpage Feel Instant When the Server Is Thousands of Miles Away?

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5 min read
Next.js Partial Prefetching: One Shell Per Route, Not One Per Link

Next.js Partial Prefetching: One Shell Per Route, Not One Per Link

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4 min read
React 19 Compiler: The End of Manual Memoization?

React 19 Compiler: The End of Manual Memoization?

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3 min read
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