Grzegorz Chilkiewicz created OOZIE-2101:
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Summary: all DAG workflow
Key: OOZIE-2101
URL: https://issues.apache.org/jira/browse/OOZIE-2101
Project: Oozie
Issue Type: Wish
Reporter: Grzegorz Chilkiewicz
Priority: Minor
i'd read documentation about Oozie,
it looks interesting, but i've a doubt:
first web-page says "Oozie Workflow jobs are Directed Acyclical Graphs (DAGs)
of actions."
so i assumed it can deal with any DAG, but documentation says it is limited to
specific subset of DAGs,
ie: (DAG in ASCII art, directed top-down:)
1
/ \
2 \
/ \ \
3 4 5
\ \ /
\ 6
\ /
7
can't be expressed in Oozie workflow
(according to documentation: every join-node must join all branches of
corresponding fork-node, so my ASCII DAG isn't valid Oozie workflow...)
am i wrong? / why it's so limited? / is it intentional?
//
//if join-node could just wait until all IN-edges are traversed,
//not necessary from any particular 'corresponding fork-node'
//it would work for all DAGs.....
//
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