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https://issues.apache.org/jira/browse/YARN-4526?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Kambatla updated YARN-4526:
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Attachment: yarn-4526-2.patch
> Make SystemClock singleton so AppSchedulingInfo could use it
> ------------------------------------------------------------
>
> Key: YARN-4526
> URL: https://issues.apache.org/jira/browse/YARN-4526
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: scheduler
> Affects Versions: 2.8.0
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Attachments: yarn-4526-1.patch, yarn-4526-2.patch
>
>
> To track the time a request is received, we need to get current system time.
> For better testability of this, we are likely better off using a Clock
> instance that uses SystemClock by default. Instead of creating umpteen
> instances of SystemClock, we should just reuse the same instance.
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