Track 2 · Coordination
Job Scheduler
A cron-style service: run millions of jobs on time, once, while workers pause and come back.
Pro Hard 11 min guided 9 Checks
What you practice
Saving a job is easy; running it once is not, because workers die and also pause and come back. You will give each run one owner, never lose a run, and handle a million jobs due in the same minute.
This Exercise is part of Pro. The free Exercise and the Sandbox are open to everyone.