Why it matters

DAG workflows shape batch AI. Understanding shapes design.

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The architecture

Define nodes + deps.

Topological execute.

Parallelize independent nodes.

Fail on dep failure.

DAG workflow structureNodes + depstask DAGTopological executeparallel where possibleFail handlingretry or abortArgo Workflows + Airflow + Prefect + Dagster popular DAG engines
DAG workflow.
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How it works end to end

Static topology.

Retries per node.

Parallel independent branches.

Argo / Airflow / Prefect run.