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From "Tushar Gosavi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (APEXCORE-408) Ability to schedule Sub-DAG from running application
Date Mon, 01 Aug 2016 11:29:20 GMT

     [ https://issues.apache.org/jira/browse/APEXCORE-408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Tushar Gosavi updated APEXCORE-408:
    Attachment: Dynamic DAG Changes.docx

Adding document.

> Ability to schedule Sub-DAG from running application
> ----------------------------------------------------
>                 Key: APEXCORE-408
>                 URL: https://issues.apache.org/jira/browse/APEXCORE-408
>             Project: Apache Apex Core
>          Issue Type: Sub-task
>            Reporter: Thomas Weise
>            Assignee: Tushar Gosavi
>         Attachments: Dynamic DAG Changes.docx
> Today it is possible to add operators to a running application from the CLI/client. It
should be possible to do this from within the application also. This can be used to expand/remove
a Sub-DAG on demand, triggered by application specific logic. It will enable use cases such
as batch applications that perform multiple stages of processing where not all resources are
required at the same time or the logic of subsequent steps depends on the execution of previous

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