scaling-javascript-nodejs
Rate Limiting: Token Bucket vs Sliding Window
A client hammers your login endpoint. You added a limit: 100 requests per minute per IP. You feel safe. Then someone fires 100 req…
#scaling
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scaling-javascript-nodejs
Postgres as a Queue with SKIP LOCKED
A background job lands in your jobs table. Two workers wake up at the same time, both run SELECT FROM jobs WHERE status = 'pending…
scaling-javascript-nodejs
Connection Pooling: Node.js, Postgres, PgBouncer
Your API is humming along at 200 requests per second. Traffic doubles during a launch, you scale your Node.js service from 4 pods…