Lesson 9
Bigger box or more boxes?
Break it
The write-heavy app is back. Turn traffic up to 3,000 requests per second.
Users
1,000 req/s
Load balancer
splits evenly
2%
App servers
× 4
26%
Cache
Not added
Off
DB primary
reads + writes
56%
Read replicas
× 1
14%
p50 latency
132 ms
Failed requests
0.0%
Monthly cost
$400