LLD scheduler
Task scheduler / thread pool
Submit, workers, shutdown, rejection policy. Delayed jobs if time.
Week 5Sunday 15 NovemberLLD
Day 34: LLD scheduling
0 of 4 tasks completed0%
LLD elevator
Elevator system
Hall calls, car state, dispatcher. SCAN vs nearest. Don’t overbuild.
Coding greedy
Task Scheduler (LC 621)
Idle slots from the most frequent task. Heap vs math formula.
Estimation
Workers for 5k jobs/min
p50 = 2s. How many workers, and what happens at p99 = 10s.