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https://issues.apache.org/jira/browse/YARN-5886?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantinos Karanasos reassigned YARN-5886:
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Assignee: Konstantinos Karanasos
> Dynamically prioritize execution of opportunistic containers (NM queue
> reordering)
> ----------------------------------------------------------------------------------
>
> Key: YARN-5886
> URL: https://issues.apache.org/jira/browse/YARN-5886
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Konstantinos Karanasos
> Assignee: Konstantinos Karanasos
>
> Currently the {{ContainerScheduler}} in the NM picks the next queued
> opportunistic container to be executed in a FIFO manner. That is, we first
> execute containers that arrived first at the NM.
> This JIRA proposes to add pluggable queue reordering strategies at the NM
> that will dynamically determine which opportunistic container will be
> executed next.
> For example, we can choose to prioritize containers that belong to jobs which
> are closer to completion, or containers that are short-running (if such
> information is available).
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