Architecture
Data plane
Quick answer
The data plane is the part of a system that executes the actual workload — in CI, the runners that check out code and run your steps.
The data plane is the part of a system that executes the actual workload — in CI, the runners that check out code and run your steps.
Why it matters
Your source code, secrets and artefacts all pass through the data plane. That is why data residency questions are really data plane questions.
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Related
Control planeThe control plane is the part of a system that makes scheduling and configuration decisions, as distinct from the data plane that executes the work.Ephemeral storageEphemeral storage is disk attached to a runner for the duration of a job and wiped when the job ends.Runner poolA runner pool is a set of runner instances kept ready so queued jobs can start without waiting for a machine to boot.Standby diskA standby disk is a pre-warmed volume holding a prepared runner filesystem so a job can start without provisioning storage.