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Pastebin System Design

Base62 KGS Pool · S3 Storage Segregation · CDN Edge Cache · GC Daemon

Step 1 / 11

Speed

Step 1 of 11 · Overview

1. System Architecture Overview

Ready: Click CTA to execute hop-by-hop paste pipeline mutation

Pastebin routes reads through CDN Edge Cache and writes through a Load Balancer, Key Generation Service (KGS), S3 Storage, and Metadata SQL DB.

Why it matters: Separating small SQL metadata rows from multi-megabyte S3 paste blobs keeps database indexes in RAM and read latency under 20ms.

Component Inspector Paste Composer UI

Client Browser

Drafts text pastes with TTL expiration settings and resolves short Base62 URLs via CDN Edge Cache.

IN:User Text & TTL Input

OUT:POST /api/paste · GET /:key

TELEMETRY:in:1 | out:1 | 12ms