Kernel stack, bypass or RDMA

  • Choose
  • Metal 08
  • Node

Difficulty 3 of 5

A storage client and server share one rack. Each request needs a round trip under 20 µs, and the parts may cost 300 USD/mo. The rack has a 100 USD/mo Ethernet switch. RDMA needs an InfiniBand switch at 500 USD/mo instead. Pick the network stack.

Play level

Options

  • Kernel TCP stack
  • Kernel bypass stack
  • RDMA over InfiniBand
One server boardDrag or use arrow keys to change the load

Goals and limits

p99 latency
under 20 µs
Monthly cost
under 300 USD/mo
Monthly cost
under 10,000 USD/mo

Concepts

How players did

Player results load from the server.

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