Log or queue

  • Choose
  • Queue 09

Difficulty 2 of 5

After a code change, analytics must replay 100,000 saved events within 10 s. Separately, 100 image jobs take 1 s each and must all finish within 20 s, with no lost job. Choose the design.

Play level

Options

  • Use work queues for both
  • Log for events; call the image worker directly
  • Log for events; work queue for image jobs
Delivered twice, charged onceTap to turn the ID check on or off

Goals and limits

Replay time
under 10 s
Completion time (Jobs)
under 20 s
Lost writes
none
Monthly cost
under 200 USD/mo

Concepts

How players did

Player results load from the server.

All levels