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A workflow definition is a ______ with control flow nodes or action nodes.

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A workflow definition is a ______ with control flow nodes or action nodes.

(a) CAG

(b) DAG

(c) BAG

(d) None of the mentioned

I got this question at a job interview.

This intriguing question originated from Oozie with Hadoop topic in division Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop

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Correct choice is (b) DAG

To explain I would say: Oozie does not support cycles in workflow definitions, workflow definitions must be a strict DAG.

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