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https://issues.apache.org/jira/browse/YARN-4719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15185059#comment-15185059
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Hadoop QA commented on YARN-4719:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s
{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 4s {color}
| {color:red} YARN-4719 does not apply to trunk. Rebase required? Wrong Branch?
See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12792018/yarn-4719-4.patch |
| JIRA Issue | YARN-4719 |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/10722/console |
| Powered by | Apache Yetus 0.2.0 http://yetus.apache.org |
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> Add a helper library to maintain node state and allows common queries
> ---------------------------------------------------------------------
>
> Key: YARN-4719
> URL: https://issues.apache.org/jira/browse/YARN-4719
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: scheduler
> Affects Versions: 2.8.0
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Attachments: yarn-4719-1.patch, yarn-4719-2.patch, yarn-4719-3.patch,
> yarn-4719-4.patch
>
>
> The scheduler could use a helper library to maintain node state and allowing
> matching/sorting queries. Several reasons for this:
> # Today, a lot of the node state management is done separately in each
> scheduler. Having a single library will take us that much closer to reducing
> duplication among schedulers.
> # Adding a filtering/matching API would simplify node labels and locality
> significantly.
> # An API that returns a sorted list for a custom comparator would help
> YARN-1011 where we want to sort by allocation and utilization for
> continuous/asynchronous and opportunistic scheduling respectively.
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