[jira] [Commented] (OOZIE-2101) all DAG workflow

["Ergin Demirel (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OOZIE-2101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14590610#comment-14590610 ] 

Ergin Demirel commented on OOZIE-2101:
--------------------------------------

[~grzegorz.chilkiewicz] any update on this issue? I can't see any activity for long time.

> 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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