🔴 P0RAID-2026-W16ShopifyStripeAmazon
+1,500 XP + 🔑 Cache Phantom
Checkout Meltdown: Redis Cache at 31%
Redis maxmemory-policy set to noeviction — cache writes failing with OOM. Checkout sessions bypass Redis, hammering Postgres. DB CPU at 98%. $181k/min in blocked revenue.
Global solve rate447/1203 engineers · 37%
1
Alert Triage
2
Cache Analysis
3
Root Cause
4
Remediation
incident-terminal — Checkout Meltdown: Redis Cache at 31%⬤ LIVE
[SYSTEM] Weekly Raid initialized — scenario: Global Payment Rail Meltdown
[SYSTEM] 847 engineers actively investigating. Good luck.
$
Phase 1 of 4
Alert Triage
Identify the failing service from PagerDuty alerts
Live Participants1,203 engineers
SG
Siddharth G.
✓ solved · +1500 XP
âš”
PR
Priya R.
in Phase 3
AK
Alex K.
✓ solved · +1500 XP
âš”
MN
Marina N.
in Phase 2
OS
Omar S.
✓ solved · +1500 XP
âš”
CL
Chen L.
just joined
FA
Fatima A.
in Phase 4
VP
Venkateshwaran P.
reviewing logs…
Next Raid
Database Hot Shard · Snowflake User Analytics
Friday, Apr 25, 2026 · 18:00 UTC
+1,400 XP · 🧊 Shard Specter creature