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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5079) [Umbrella] Native YARN framework layer for services and beyond
Date Wed, 14 Sep 2016 20:33:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-5079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15491388#comment-15491388
] 

Arun Suresh commented on YARN-5079:
-----------------------------------

Thanks for the reply [~gsaha] and [~jianhe].
In which case, would be nice to hear your thoughts on SLIDER-1167 specifically. It talks about
enhancements to both the Slider AM, in terms of a pluggable module in both the Slider AM as
well as the agent. Would I be right in assuming that changes made to the Slider AM would be
ported to YARN initially and the Slider Agent changes might live in Slider until those specific
APIs are supported by the YARN NM (via YARN-5593, YARN-4726 and YARN-1503). Also, are new
releases for Slider going to contain only bug fixes ? or are there any specific new features
expected ?

> [Umbrella] Native YARN framework layer for services and beyond
> --------------------------------------------------------------
>
>                 Key: YARN-5079
>                 URL: https://issues.apache.org/jira/browse/YARN-5079
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
>
> (See overview doc at YARN-4692, modifying and copy-pasting some of the relevant pieces
and sub-section 3.3.1 to track the specific sub-item.)
> (This is a companion to YARN-4793 in our effort to simplify the entire story, but focusing
on APIs)
> So far, YARN by design has restricted itself to having a very low-­level API that can
support any type of application. Frameworks like Apache Hadoop MapReduce, Apache Tez, Apache
Spark, Apache REEF, Apache Twill, Apache Helix and others ended up exposing higher level APIs
that end­-users can directly leverage to build their applications on top of YARN. On the
services side, Apache Slider has done something similar.
> With our current attention on making services first­-class and simplified, it's time
to take a fresh look at how we can make Apache Hadoop YARN support services well out of the
box. Beyond the functionality that I outlined in the previous sections in the doc on how NodeManagers
can be enhanced to help services, the biggest missing piece is the framework itself. There
is a lot of very important functionality that a services' framework can own together with
YARN in executing services end­-to­-end.
> In this JIRA I propose we look at having a native Apache Hadoop framework for running
services natively on YARN.



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