Pinned Loading

1. node-worker-pool-bench node-worker-pool-bench Public

   What moving CPU-bound work into a Node worker pool actually buys you — including the version that makes things worse. Zero deps, reproducible.

   TypeScript

2. postgres-isolation-lab postgres-isolation-lab Public

   The six PostgreSQL isolation anomalies run by hand, plus a concurrent bank transfer that loses money until you fix it. Measured half of calingabriel.com/lab/transactions

   PLpgSQL

3. graphql-n-plus-one-lab graphql-n-plus-one-lab Public

   GraphQL N+1: 7 queries down to 2 with DataLoader, run for real. Companion to calingabriel.com/lab/graphql

   TypeScript

4. infrastructure-lab infrastructure-lab Public

   A toy model of building infrastructure by hand vs by rule. Companion to calingabriel.com/lab/infrastructure

   JavaScript

5. job-queue-lab job-queue-lab Public

   A Postgres job queue: FOR UPDATE SKIP LOCKED, retry with backoff, a reaper for dead workers. Companion to calingabriel.com/lab/job-queue

   TypeScript