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From "Eric Payne (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-4218) Metric for resource*time that was preempted
Date Thu, 27 Oct 2016 16:32:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-4218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15612427#comment-15612427
] 

Eric Payne edited comment on YARN-4218 at 10/27/16 4:32 PM:
------------------------------------------------------------

Cancelling patch since it no longer applies. I will review the patch and provide feedback
shortly.


was (Author: eepayne):
Cancelling patch since it no longer applies. I will 

> 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
>            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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