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Posted to yarn-issues@hadoop.apache.org by "Wangda Tan (JIRA)" <ji...@apache.org> on 2017/05/12 21:47:04 UTC
[jira] [Commented] (YARN-4902) [Umbrella] Generalized and unified
scheduling-strategies in YARN
[ https://issues.apache.org/jira/browse/YARN-4902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16008748#comment-16008748 ]
Wangda Tan commented on YARN-4902:
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Thanks for all valuable comments on this JIRA and design docs. We had a lots of discussions in the past several months and we decided to merge this effort with proposals mentioned in YARN-5478.
I'm uploading a new design doc to YARN-6592. Which should address most of issues mentioned in this one and should be easier for YARN app developers to use. Let's move discussions to YARN-6592 as well.
> [Umbrella] Generalized and unified scheduling-strategies in YARN
> ----------------------------------------------------------------
>
> Key: YARN-4902
> URL: https://issues.apache.org/jira/browse/YARN-4902
> Project: Hadoop YARN
> Issue Type: New Feature
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Wangda Tan
> Attachments: Generalized and unified scheduling-strategies in YARN -v0.pdf, LRA-scheduling-design.v0.pdf, YARN-5468.prototype.patch
>
>
> Apache Hadoop YARN's ResourceRequest mechanism is the core part of the YARN's scheduling API for applications to use. The ResourceRequest mechanism is a powerful API for applications (specifically ApplicationMasters) to indicate to YARN what size of containers are needed, and where in the cluster etc.
> However a host of new feature requirements are making the API increasingly more and more complex and difficult to understand by users and making it very complicated to implement within the code-base.
> This JIRA aims to generalize and unify all such scheduling-strategies in YARN.
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