Why We Use Fork And Join Nodes Of Oozie?

1.	Why We Use Fork And Join Nodes Of Oozie?
Answer» A fork NODE SPLITS ONE path of execution into multiple concurrent paths of execution. A join node waits until EVERY concurrent execution path of a previous fork node arrives to it. The fork and join nodes must be used in PAIRS. The join node assumes concurrent execution paths are children of the same fork node.

Answer»

A fork NODE SPLITS ONE path of execution into multiple concurrent paths of execution.
A join node waits until EVERY concurrent execution path of a previous fork node arrives to it.
The fork and join nodes must be used in PAIRS. The join node assumes concurrent execution paths are children of the same fork node.

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