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task dependency

/tɑːsk dɪ.ˈpɛn.dən.si/ - n.

1 [colloq.] The reason the report is late, traced backward through eleven tasks to a file someone renamed.Keep. Punchy.This is the problem.

Working definition

2. A declared relationship requiring one pipeline task to complete successfully before a downstream task begins.

Filed

See also

brittle jobA job documented entirely in the muscle memory of the one person who knows which step to re-run first.
dagAcyclic in the diagram. The on-call rotation reports a cycle.
late-arriving dataData that shows up after the meeting that needed it, with a perfectly good explanation no one waited to hear.
orchestrationThe discipline of deciding which job runs first, now practiced by three tools that each believe they are in charge.