[jira] [Updated] (YARN-4218) Metric for resource*time that was preempted

["Eric Payne (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-4218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Payne updated YARN-4218:
-----------------------------
    Component/s: resourcemanager

> 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.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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