Lesson 1
Why does it get slow before it breaks?
Break it
Turn traffic up to 900 requests per second and watch p50.
Users
300 req/s
App servers
× 1
31%
Cache
Not added
Off
DB primary
reads + writes
21%
Read replicas
None
Off
p50 latency
91 ms
Failed requests
0.0%
Monthly cost
$150