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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4692) [Umbrella] Simplified and first-class support for services in YARN
Date Sat, 13 Feb 2016 23:15:18 GMT

    [ https://issues.apache.org/jira/browse/YARN-4692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15146246#comment-15146246
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Arun Suresh commented on YARN-4692:
-----------------------------------

Missed adding this to my previous comment:

# Container Auto-Scaling: 
Someway to allow user to specify rules like "Add/Remove Container for role if *mem*/*iops*/*cpu
per container* exceeds/goes below threshold” when launching an LR App. We can probably design
a rule specification that can be consumed by the service or else we can probably provide Interface
hooks that can be extended/implemented by the end user and packaged with the App.

> [Umbrella] Simplified and first-class support for services in YARN
> ------------------------------------------------------------------
>
>                 Key: YARN-4692
>                 URL: https://issues.apache.org/jira/browse/YARN-4692
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
>         Attachments: YARN-First-Class-And-Simplified-Support-For-Services-v0.pdf
>
>
> YARN-896 focused on getting the ball rolling on the support for services (long running
applications) on YARN.
> I’d like propose the next stage of this effort: _Simplified and first-class support
for services in YARN_.
> The chief rationale for filing a separate new JIRA is threefold:
>  - Do a fresh survey of all the things that are already implemented in the project
>  - Weave a comprehensive story around what we further need and attempt to rally the community
around a concrete end-goal, and
>  - Additionally focus on functionality that YARN-896 and friends left for higher layers
to take care of and see how much of that is better integrated into the YARN platform itself.



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