In order

  • Choose
  • Queue 05

Difficulty 1 of 5

Users send 1,000 events/s. Eight consumers process events in parallel, and each event needs 2 ms of CPU. The events of each user must complete in the order sent. Keep queue lag below 5 s. Choose the partition plan.

Play level

Options

  • Spread events over 8 partitions at random
  • Put all events in one partition
  • Keep each user in one of 8 partitions
Delivered twice, charged onceTap to turn the ID check on or off

Goals and limits

Out of order
none
Queue lag
under 5 s
Monthly cost
under 200 USD/mo

Concepts

How players did

Player results load from the server.