Reference
crab workflow
Define and run multi-step pipelines.
Synopsis
crab workflow [OPTIONS] [<PIPELINE>]Description
crab workflow defines and executes multi-step pipelines where each stage's
outputs feed into the next stage's inputs. Stages are cached independently
and only re-run when their inputs change.
For conceptual background, see Workflow Pipelines.
Arguments
| Argument | Required | Description |
|---|---|---|
PIPELINE | No | Pipeline definition file. Defaults to crab.yaml. |
Options
| Option | Default | Description |
|---|---|---|
--stage | Run only a specific stage | |
--dry-run | false | Show execution plan without running |
--json | false | Emit structured JSON output |
Examples
Run the full pipeline
crab workflowRun a specific stage
crab workflow --stage trainPreview execution plan
crab workflow --dry-run