Overview
Narrative
Annotated
Distributed Job Scheduler
cron + ad-hoc · 10K exec/s sustained, 25K peak · retries with backoff · 1-year history
arrows
0/18
cards
10
letters
A–I
happy-path
side-effect
failure-comp
new-infra (none)
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BOTE — canonical numbers
(every N- chip in the rail links here)
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Failure playbook (A–I)
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What breaks first · interview framing