[jira] [Updated] (OOZIE-3561) Forkjoin validation is slow when there are many actions in chain

["Denes Bodo (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OOZIE-3561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Denes Bodo updated OOZIE-3561:
------------------------------
    Attachment: OOZIE-3561_001.patch

> Forkjoin validation is slow when there are many actions in chain
> ----------------------------------------------------------------
>
>                 Key: OOZIE-3561
>                 URL: https://issues.apache.org/jira/browse/OOZIE-3561
>             Project: Oozie
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 5.1.0
>            Reporter: Denes Bodo
>            Assignee: Denes Bodo
>            Priority: Critical
>              Labels: performance
>         Attachments: OOZIE-3561_001.patch
>
>
> In case we have a workflow which has, let's say, 80 actions after each other:
> {{a1 -> a2 -> ... a80}}
> then the validator code "never" finishes.
> Currently the validation (in my understanding) does depth first checks from the start node and runs in time of n! . This is confirmed as when we split this huge workflow into two 40-element workflow then we get 2x ~40!-step in validation instead of ~80! steps.
> Guys, could you please confirm or disprove my theory?
> Thanks



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