Service Maps
No one drew the map.
The requests drew it themselves.
each call a line, each service a point,
until the shape of the system appeared.
You have 6 services but no architecture diagram. You do have trace data from production. Can you figure out how the services are connected?
Trace 1
gateway
→
api
→
orders
Trace 2
gateway
→
api
→
payment
Trace 3
gateway
→
api
→
orders
→
database
Trace 4
gateway
→
api
→
inventory
Trace 5
gateway
→
api
→
payment
→
database
Look at the map you just built. Which service receives the most incoming calls?
No one drew the map. The traces drew it. Every span is a connection between services.
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