nine·fives

03

Flash Sale

beginner tier

budget $420 / $500

current rank A · 81

loadout

hosts

wave

12/40

orders

served8.1k

dropped0

kept–

unspent–

report

B

Your cache absorbed 65% of reads, but this wave is 80% writes — your database is taking the hit.

watch for write-heavy waves before you bet on the cache

next add a replica

import

Paste TOML

paste, then import — sandbox run

debug

Board snapshot

board + last run — paste it to an AI

design

Design a wave

wave name

budget

totalread%hot%static%junk%voldown

local only — no rank, no wallet · Run with ▶

report

Debrief

interview

System design, out loud

shop

Add component

committed

Tune

live — pay the difference

nine-fives

Bring a
bigger screen.

The board — lane, rails, report — is built for desktop and does not fit in a phone. Come back on a PC to play.