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https://issues.apache.org/jira/browse/YARN-1564?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated YARN-1564:
---------------------------------
    Attachment: YARN-1564-002.patch

Patch -002

Sync up with latest versions from slider, which are in production use. 
Primarily this enhances the LongLivedProcess code to fix a startup race 
condition, be better at retrieving ongoing stdout & stderr, and some other 
diagnostics.

Almost all the tests on process exec are skipped on windows as they have been 
pretty brittle about the installed version of gnu/cygwin tools.

> add some basic workflow YARN services
> -------------------------------------
>
>                 Key: YARN-1564
>                 URL: https://issues.apache.org/jira/browse/YARN-1564
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: api
>    Affects Versions: 2.4.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>         Attachments: YARN-1564-001.patch, YARN-1564-002.patch
>
>   Original Estimate: 24h
>          Time Spent: 48h
>  Remaining Estimate: 0h
>
> I've been using some alternative composite services to help build workflows 
> of process execution in a YARN AM.
> They and their tests could be moved in YARN for the use by others -this would 
> make it easier to build aggregate services in an AM



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