Partition storm

  • Survive
  • Level 32 of 41
  • Quorum

Difficulty 5 of 5

Three network faults isolate different nodes. Keep all 36 writes safe. Keep a working majority for at least 90 percent of the time inside the fault waves.

Play level

HTTP/2HTTP/2HTTP/2Users100 req/sAPI server0.5 vCPU · 0.5 GBAPI server0.5 vCPU · 0.5 GBAPI server0.5 vCPU · 0.5 GBAPI server0.5 vCPU · 0.5 GBAPI server0.5 vCPU · 0.5 GB
HTTP/2HTTP/2HTTP/2HTTP/2HTTP/2Users100 req/sAPI serverAPI serverAPI serverAPI serverAPI server
The board at the start of the level
A lease with a fencing tokenTap to turn the fencing tokens on or off

Fencing tokens · lease 30 s · late write with token 33: rejected

Goals and limits

Lost writes
none
Split-brain writes
none
Recovery time (RTO)
under 0.6 s
Monthly cost
under 80 USD/mo
Waves
3
Time within SLO
at least 90%
Traffic
100 req/s

Concepts

How players did

Player results load from the server.

All levels