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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4218) Metric for resource*time that was preempted
Date Tue, 22 Nov 2016 01:54:00 GMT

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

Andrew Wang updated YARN-4218:
    Fix Version/s: 3.0.0-alpha2

> 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
>             Fix For: 2.8.0, 3.0.0-alpha2
>         Attachments: YARN-4218-branch-2.003.patch, YARN-4218.006.patch, 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.3.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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