Tinker09:00
09:00, 1 worker: the line at the rail.0 waiting · 1 busy · 0 done
Chapter 3 of 7
When the line grows
Customers love the instant answer. Then the sale opens, and orders arrive faster than one worker can pack them.
This chapter: What happens when jobs arrive faster than workers finish them?
About this chapter
You will learn
- Arrival rate against service rate
- A backlog grows while arrivals win
- More workers drain it
Words you’ll meet
- Backlog
- Jobs waiting on the queue that no worker has started.
- Arrival rate
- How many jobs join the queue each minute.
- Service rate
- How many jobs the workers finish each minute.
Step 1 of 5
From 09:05, 2 orders arrive each minute: the . One worker’s is one every 2 minutes.
Step to 09:11.