Sandbox Router
Outage
Off
On
Every job runs where it finishes fastest.
A
B
C
D
detect changes
build
unit tests
integration tests
e2e tests
publish artifacts
A
B
C
D
15 min
19 min
Sandbox creation latency
4.4 s
Network latency
18 ms
Performance variance
−8 %
CI Jobs
starsling-ubuntu-26.04
Runner Compute
Sandbox Providers
Self-Optimizing CI
End-to-End Time