Sandbox | Interactive Rails | Interactive Rails

Production Simulator

Watch how a real Rails application handles traffic at scale.

Traffic100 req/s

App Servers2

Threads/Server5

DB Replicas1

Rate Limit500 req/s

Queue Workers3

Cache TTL300s

USUsers

Traffic source

CDCDN

Cloudflare edge cache

RLRate Limiter

rack-attack, per-IP throttling

LBLoad Balancer

Round-robin distribution

A1App Server 1

Puma (5 threads)

A2App Server 2

Puma (5 threads)

SCSolid Cache

Rails 8 DB-backed cache

DBDatabase

PostgreSQL (primary)

SQSolid Queue

Rails 8 background jobs

RDDB Replica

Read replica

STStripe API

Payment processing

Throughput0 req/s

Avg Latency0ms

p95 Latency0ms

Cache Hit Rate0%

Error Rate0%

DB Queries0

Queue Depth0

Rate Limited0

Simulation paused

0 total requests processed