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https://issues.apache.org/jira/browse/YARN-4218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15620790#comment-15620790
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Hadoop QA commented on YARN-4218:
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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  8s{color} 
| {color:red} YARN-4218 does not apply to branch-2.2. Rebase required? Wrong 
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | YARN-4218 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12836101/YARN-4218.branch-2.2.patch
 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/13689/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Metric for resource*time that was preempted
> -------------------------------------------
>
>                 Key: YARN-4218
>                 URL: https://issues.apache.org/jira/browse/YARN-4218
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Chang Li
>            Assignee: Chang Li
>         Attachments: YARN-4218.2.patch, YARN-4218.2.patch, YARN-4218.2.patch, 
> YARN-4218.2.patch, YARN-4218.3.patch, YARN-4218.4.patch, YARN-4218.5.patch, 
> YARN-4218.branch-2.2.patch, YARN-4218.branch-2.patch, YARN-4218.patch, 
> YARN-4218.trunk.2.patch, YARN-4218.trunk.patch, YARN-4218.wip.patch, 
> screenshot-1.png, screenshot-2.png, screenshot-3.png
>
>
> After YARN-415 we have the ability to track the resource*time footprint of a 
> job and preemption metrics shows how many containers were preempted on a job. 
> However we don't have a metric showing the resource*time footprint cost of 
> preemption. In other words, we know how many containers were preempted but we 
> don't have a good measure of how much work was lost as a result of preemption.
> We should add this metric so we can analyze how much work preemption is 
> costing on a grid and better track which jobs were heavily impacted by it. A 
> job that has 100 containers preempted that only lasted a minute each and were 
> very small is going to be less impacted than a job that only lost a single 
> container but that container was huge and had been running for 3 days.



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